Home / 52,112,542.32-71,915,632.92-28,909,139.76

Finding the Fourth Proportional to 52,112,542.32, 71,915,632.92 and 28,909,139.76

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Solution

The fourth proportional to 52,112,542.32, 71,915,632.92 and 28,909,139.76 is: 39,894,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112,542.32 : 71,915,632.92 = 28,909,139.76 : x
  2. Step 2: Convert to fraction form
    52,112,542.32/71,915,632.92 = 28,909,139.76/x
  3. Step 3: Cross multiply
    52,112,542.32x = 71,915,632.92 × 28,909,139.76
  4. Step 4: Simplify right side
    52,112,542.32x = 2,079,019,083,013,137
  5. Step 5: Solve for x
    x = 2,079,019,083,013,137/52,112,542.32
  6. Step 6: Final answer
    x = 39,894,792.89

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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.