Home / 42,178,104.60-63,244,397.46-19,136,463

Finding the Fourth Proportional to 42,178,104.60, 63,244,397.46 and 19,136,463

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Solution

The fourth proportional to 42,178,104.60, 63,244,397.46 and 19,136,463 is: 28,694,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,178,104.60 : 63,244,397.46 = 19,136,463 : x
  2. Step 2: Convert to fraction form
    42,178,104.60/63,244,397.46 = 19,136,463/x
  3. Step 3: Cross multiply
    42,178,104.60x = 63,244,397.46 × 19,136,463
  4. Step 4: Simplify right side
    42,178,104.60x = 1,210,274,071,950,584
  5. Step 5: Solve for x
    x = 1,210,274,071,950,584/42,178,104.60
  6. Step 6: Final answer
    x = 28,694,368.40

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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.