Home / 103,762,380.53-155,810,307.68-68,801,492.43

Finding the Fourth Proportional to 103,762,380.53, 155,810,307.68 and 68,801,492.43

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Solution

The fourth proportional to 103,762,380.53, 155,810,307.68 and 68,801,492.43 is: 103,312,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,762,380.53 : 155,810,307.68 = 68,801,492.43 : x
  2. Step 2: Convert to fraction form
    103,762,380.53/155,810,307.68 = 68,801,492.43/x
  3. Step 3: Cross multiply
    103,762,380.53x = 155,810,307.68 × 68,801,492.43
  4. Step 4: Simplify right side
    103,762,380.53x = 10,719,981,704,017,486
  5. Step 5: Solve for x
    x = 10,719,981,704,017,486/103,762,380.53
  6. Step 6: Final answer
    x = 103,312,796.50

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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.