Home / 42,849,126.38-59,149,890.47-28,929,338.75

Finding the Fourth Proportional to 42,849,126.38, 59,149,890.47 and 28,929,338.75

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Solution

The fourth proportional to 42,849,126.38, 59,149,890.47 and 28,929,338.75 is: 39,934,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,849,126.38 : 59,149,890.47 = 28,929,338.75 : x
  2. Step 2: Convert to fraction form
    42,849,126.38/59,149,890.47 = 28,929,338.75/x
  3. Step 3: Cross multiply
    42,849,126.38x = 59,149,890.47 × 28,929,338.75
  4. Step 4: Simplify right side
    42,849,126.38x = 1,711,167,218,432,026.75
  5. Step 5: Solve for x
    x = 1,711,167,218,432,026.75/42,849,126.38
  6. Step 6: Final answer
    x = 39,934,704.93

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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.