Home / 75,102,454.53-103,608,372.78-45,316,488.56

Finding the Fourth Proportional to 75,102,454.53, 103,608,372.78 and 45,316,488.56

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Solution

The fourth proportional to 75,102,454.53, 103,608,372.78 and 45,316,488.56 is: 62,516,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,102,454.53 : 103,608,372.78 = 45,316,488.56 : x
  2. Step 2: Convert to fraction form
    75,102,454.53/103,608,372.78 = 45,316,488.56/x
  3. Step 3: Cross multiply
    75,102,454.53x = 103,608,372.78 × 45,316,488.56
  4. Step 4: Simplify right side
    75,102,454.53x = 4,695,167,639,287,044
  5. Step 5: Solve for x
    x = 4,695,167,639,287,044/75,102,454.53
  6. Step 6: Final answer
    x = 62,516,833.42

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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.