Home / 68,924,672.10-103,387,008.15-36,559,915.20

Finding the Fourth Proportional to 68,924,672.10, 103,387,008.15 and 36,559,915.20

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Solution

The fourth proportional to 68,924,672.10, 103,387,008.15 and 36,559,915.20 is: 54,839,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,924,672.10 : 103,387,008.15 = 36,559,915.20 : x
  2. Step 2: Convert to fraction form
    68,924,672.10/103,387,008.15 = 36,559,915.20/x
  3. Step 3: Cross multiply
    68,924,672.10x = 103,387,008.15 × 36,559,915.20
  4. Step 4: Simplify right side
    68,924,672.10x = 3,779,820,250,745,709.50
  5. Step 5: Solve for x
    x = 3,779,820,250,745,709.50/68,924,672.10
  6. Step 6: Final answer
    x = 54,839,872.80

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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.