Home / 51,264,512.45-70,745,691.65-28,059,141.18

Finding the Fourth Proportional to 51,264,512.45, 70,745,691.65 and 28,059,141.18

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Solution

The fourth proportional to 51,264,512.45, 70,745,691.65 and 28,059,141.18 is: 38,721,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,264,512.45 : 70,745,691.65 = 28,059,141.18 : x
  2. Step 2: Convert to fraction form
    51,264,512.45/70,745,691.65 = 28,059,141.18/x
  3. Step 3: Cross multiply
    51,264,512.45x = 70,745,691.65 × 28,059,141.18
  4. Step 4: Simplify right side
    51,264,512.45x = 1,985,063,350,166,930.50
  5. Step 5: Solve for x
    x = 1,985,063,350,166,930.50/51,264,512.45
  6. Step 6: Final answer
    x = 38,721,978.53

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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.