Home / 42,170,441.70-63,213,672.15-19,411,644.90

Finding the Fourth Proportional to 42,170,441.70, 63,213,672.15 and 19,411,644.90

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Solution

The fourth proportional to 42,170,441.70, 63,213,672.15 and 19,411,644.90 is: 29,098,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170,441.70 : 63,213,672.15 = 19,411,644.90 : x
  2. Step 2: Convert to fraction form
    42,170,441.70/63,213,672.15 = 19,411,644.90/x
  3. Step 3: Cross multiply
    42,170,441.70x = 63,213,672.15 × 19,411,644.90
  4. Step 4: Simplify right side
    42,170,441.70x = 1,227,081,356,600,819.50
  5. Step 5: Solve for x
    x = 1,227,081,356,600,819.50/42,170,441.70
  6. Step 6: Final answer
    x = 29,098,138.58

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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.