Home / 42,218,153.68-58,231,017.70-38,744,709.02

Finding the Fourth Proportional to 42,218,153.68, 58,231,017.70 and 38,744,709.02

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Solution

The fourth proportional to 42,218,153.68, 58,231,017.70 and 38,744,709.02 is: 53,440,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,218,153.68 : 58,231,017.70 = 38,744,709.02 : x
  2. Step 2: Convert to fraction form
    42,218,153.68/58,231,017.70 = 38,744,709.02/x
  3. Step 3: Cross multiply
    42,218,153.68x = 58,231,017.70 × 38,744,709.02
  4. Step 4: Simplify right side
    42,218,153.68x = 2,256,143,836,773,685.50
  5. Step 5: Solve for x
    x = 2,256,143,836,773,685.50/42,218,153.68
  6. Step 6: Final answer
    x = 53,440,135.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.