Home / 102,260,778.72-141,119,649.24-55,851,034.92

Finding the Fourth Proportional to 102,260,778.72, 141,119,649.24 and 55,851,034.92

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Solution

The fourth proportional to 102,260,778.72, 141,119,649.24 and 55,851,034.92 is: 77,074,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,260,778.72 : 141,119,649.24 = 55,851,034.92 : x
  2. Step 2: Convert to fraction form
    102,260,778.72/141,119,649.24 = 55,851,034.92/x
  3. Step 3: Cross multiply
    102,260,778.72x = 141,119,649.24 × 55,851,034.92
  4. Step 4: Simplify right side
    102,260,778.72x = 7,881,678,457,601,392
  5. Step 5: Solve for x
    x = 7,881,678,457,601,392/102,260,778.72
  6. Step 6: Final answer
    x = 77,074,305.09

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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.