Home / 145,575,936,009.60-218,363,904,014.40-67,211,771,913.60

Finding the Fourth Proportional to 145,575,936,009.60, 218,363,904,014.40 and 67,211,771,913.60

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Solution

The fourth proportional to 145,575,936,009.60, 218,363,904,014.40 and 67,211,771,913.60 is: 100,817,657,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,575,936,009.60 : 218,363,904,014.40 = 67,211,771,913.60 : x
  2. Step 2: Convert to fraction form
    145,575,936,009.60/218,363,904,014.40 = 67,211,771,913.60/x
  3. Step 3: Cross multiply
    145,575,936,009.60x = 218,363,904,014.40 × 67,211,771,913.60
  4. Step 4: Simplify right side
    145,575,936,009.60x = 14,676,624,910,779,095,711,744
  5. Step 5: Solve for x
    x = 14,676,624,910,779,095,711,744/145,575,936,009.60
  6. Step 6: Final answer
    x = 100,817,657,870.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.