Home / 86,290,357.20-119,079,906.85-47,132,123.58

Finding the Fourth Proportional to 86,290,357.20, 119,079,906.85 and 47,132,123.58

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Solution

The fourth proportional to 86,290,357.20, 119,079,906.85 and 47,132,123.58 is: 65,041,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,290,357.20 : 119,079,906.85 = 47,132,123.58 : x
  2. Step 2: Convert to fraction form
    86,290,357.20/119,079,906.85 = 47,132,123.58/x
  3. Step 3: Cross multiply
    86,290,357.20x = 119,079,906.85 × 47,132,123.58
  4. Step 4: Simplify right side
    86,290,357.20x = 5,612,488,885,549,088
  5. Step 5: Solve for x
    x = 5,612,488,885,549,088/86,290,357.20
  6. Step 6: Final answer
    x = 65,041,901.18

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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.