Home / 124,192,512.60-186,288,768.90-42,403,742.70

Finding the Fourth Proportional to 124,192,512.60, 186,288,768.90 and 42,403,742.70

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Solution

The fourth proportional to 124,192,512.60, 186,288,768.90 and 42,403,742.70 is: 63,605,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,192,512.60 : 186,288,768.90 = 42,403,742.70 : x
  2. Step 2: Convert to fraction form
    124,192,512.60/186,288,768.90 = 42,403,742.70/x
  3. Step 3: Cross multiply
    124,192,512.60x = 186,288,768.90 × 42,403,742.70
  4. Step 4: Simplify right side
    124,192,512.60x = 7,899,341,024,335,363
  5. Step 5: Solve for x
    x = 7,899,341,024,335,363/124,192,512.60
  6. Step 6: Final answer
    x = 63,605,614.05

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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.