Home / 79,211,805.80-118,817,708.70-52,002,026.60

Finding the Fourth Proportional to 79,211,805.80, 118,817,708.70 and 52,002,026.60

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Solution

The fourth proportional to 79,211,805.80, 118,817,708.70 and 52,002,026.60 is: 78,003,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211,805.80 : 118,817,708.70 = 52,002,026.60 : x
  2. Step 2: Convert to fraction form
    79,211,805.80/118,817,708.70 = 52,002,026.60/x
  3. Step 3: Cross multiply
    79,211,805.80x = 118,817,708.70 × 52,002,026.60
  4. Step 4: Simplify right side
    79,211,805.80x = 6,178,761,648,368,452
  5. Step 5: Solve for x
    x = 6,178,761,648,368,452/79,211,805.80
  6. Step 6: Final answer
    x = 78,003,039.90

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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.