Home / 78,732,136.90-118,098,205.35-27,607,512.70

Finding the Fourth Proportional to 78,732,136.90, 118,098,205.35 and 27,607,512.70

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Solution

The fourth proportional to 78,732,136.90, 118,098,205.35 and 27,607,512.70 is: 41,411,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,136.90 : 118,098,205.35 = 27,607,512.70 : x
  2. Step 2: Convert to fraction form
    78,732,136.90/118,098,205.35 = 27,607,512.70/x
  3. Step 3: Cross multiply
    78,732,136.90x = 118,098,205.35 × 27,607,512.70
  4. Step 4: Simplify right side
    78,732,136.90x = 3,260,397,704,047,332.50
  5. Step 5: Solve for x
    x = 3,260,397,704,047,332.50/78,732,136.90
  6. Step 6: Final answer
    x = 41,411,269.05

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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.