Home / 57,023,101.80-85,345,695.90-52,488,138.60

Finding the Fourth Proportional to 57,023,101.80, 85,345,695.90 and 52,488,138.60

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Solution

The fourth proportional to 57,023,101.80, 85,345,695.90 and 52,488,138.60 is: 78,558,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023,101.80 : 85,345,695.90 = 52,488,138.60 : x
  2. Step 2: Convert to fraction form
    57,023,101.80/85,345,695.90 = 52,488,138.60/x
  3. Step 3: Cross multiply
    57,023,101.80x = 85,345,695.90 × 52,488,138.60
  4. Step 4: Simplify right side
    57,023,101.80x = 4,479,636,715,312,652
  5. Step 5: Solve for x
    x = 4,479,636,715,312,652/57,023,101.80
  6. Step 6: Final answer
    x = 78,558,278.56

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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.