Home / 79,211,773.80-118,817,660.70-52,001,994.60

Finding the Fourth Proportional to 79,211,773.80, 118,817,660.70 and 52,001,994.60

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Solution

The fourth proportional to 79,211,773.80, 118,817,660.70 and 52,001,994.60 is: 78,002,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211,773.80 : 118,817,660.70 = 52,001,994.60 : x
  2. Step 2: Convert to fraction form
    79,211,773.80/118,817,660.70 = 52,001,994.60/x
  3. Step 3: Cross multiply
    79,211,773.80x = 118,817,660.70 × 52,001,994.60
  4. Step 4: Simplify right side
    79,211,773.80x = 6,178,755,350,106,033
  5. Step 5: Solve for x
    x = 6,178,755,350,106,033/79,211,773.80
  6. Step 6: Final answer
    x = 78,002,991.90

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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.