Home / 79,740,731.86-119,614,899.72-38,751,337.96

Finding the Fourth Proportional to 79,740,731.86, 119,614,899.72 and 38,751,337.96

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Solution

The fourth proportional to 79,740,731.86, 119,614,899.72 and 38,751,337.96 is: 58,128,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,740,731.86 : 119,614,899.72 = 38,751,337.96 : x
  2. Step 2: Convert to fraction form
    79,740,731.86/119,614,899.72 = 38,751,337.96/x
  3. Step 3: Cross multiply
    79,740,731.86x = 119,614,899.72 × 38,751,337.96
  4. Step 4: Simplify right side
    79,740,731.86x = 4,635,237,404,101,229
  5. Step 5: Solve for x
    x = 4,635,237,404,101,229/79,740,731.86
  6. Step 6: Final answer
    x = 58,128,854.55

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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.