Home / 81,639,641.72-122,466,516.60-22,552,001.48

Finding the Fourth Proportional to 81,639,641.72, 122,466,516.60 and 22,552,001.48

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Solution

The fourth proportional to 81,639,641.72, 122,466,516.60 and 22,552,001.48 is: 33,829,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,639,641.72 : 122,466,516.60 = 22,552,001.48 : x
  2. Step 2: Convert to fraction form
    81,639,641.72/122,466,516.60 = 22,552,001.48/x
  3. Step 3: Cross multiply
    81,639,641.72x = 122,466,516.60 × 22,552,001.48
  4. Step 4: Simplify right side
    81,639,641.72x = 2,761,865,063,613,644.50
  5. Step 5: Solve for x
    x = 2,761,865,063,613,644.50/81,639,641.72
  6. Step 6: Final answer
    x = 33,829,950.81

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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.