Home / 142,965,535.56-214,412,873.94-40,730,458.92

Finding the Fourth Proportional to 142,965,535.56, 214,412,873.94 and 40,730,458.92

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Solution

The fourth proportional to 142,965,535.56, 214,412,873.94 and 40,730,458.92 is: 61,085,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,965,535.56 : 214,412,873.94 = 40,730,458.92 : x
  2. Step 2: Convert to fraction form
    142,965,535.56/214,412,873.94 = 40,730,458.92/x
  3. Step 3: Cross multiply
    142,965,535.56x = 214,412,873.94 × 40,730,458.92
  4. Step 4: Simplify right side
    142,965,535.56x = 8,733,134,753,932,309
  5. Step 5: Solve for x
    x = 8,733,134,753,932,309/142,965,535.56
  6. Step 6: Final answer
    x = 61,085,594.65

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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.