Home / 65,023,187.38-89,645,193.14-51,656,204.52

Finding the Fourth Proportional to 65,023,187.38, 89,645,193.14 and 51,656,204.52

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Solution

The fourth proportional to 65,023,187.38, 89,645,193.14 and 51,656,204.52 is: 71,216,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,023,187.38 : 89,645,193.14 = 51,656,204.52 : x
  2. Step 2: Convert to fraction form
    65,023,187.38/89,645,193.14 = 51,656,204.52/x
  3. Step 3: Cross multiply
    65,023,187.38x = 89,645,193.14 × 51,656,204.52
  4. Step 4: Simplify right side
    65,023,187.38x = 4,630,730,430,816,461
  5. Step 5: Solve for x
    x = 4,630,730,430,816,461/65,023,187.38
  6. Step 6: Final answer
    x = 71,216,601.61

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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.