Home / 87,135,849.36-130,614,093.54-38,636,543.88

Finding the Fourth Proportional to 87,135,849.36, 130,614,093.54 and 38,636,543.88

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Solution

The fourth proportional to 87,135,849.36, 130,614,093.54 and 38,636,543.88 is: 57,915,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,135,849.36 : 130,614,093.54 = 38,636,543.88 : x
  2. Step 2: Convert to fraction form
    87,135,849.36/130,614,093.54 = 38,636,543.88/x
  3. Step 3: Cross multiply
    87,135,849.36x = 130,614,093.54 × 38,636,543.88
  4. Step 4: Simplify right side
    87,135,849.36x = 5,046,477,156,404,635
  5. Step 5: Solve for x
    x = 5,046,477,156,404,635/87,135,849.36
  6. Step 6: Final answer
    x = 57,915,050.96

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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.