Home / 87,156,131.80-130,720,200.90-26,557,763.80

Finding the Fourth Proportional to 87,156,131.80, 130,720,200.90 and 26,557,763.80

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Solution

The fourth proportional to 87,156,131.80, 130,720,200.90 and 26,557,763.80 is: 39,832,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156,131.80 : 130,720,200.90 = 26,557,763.80 : x
  2. Step 2: Convert to fraction form
    87,156,131.80/130,720,200.90 = 26,557,763.80/x
  3. Step 3: Cross multiply
    87,156,131.80x = 130,720,200.90 × 26,557,763.80
  4. Step 4: Simplify right side
    87,156,131.80x = 3,471,636,219,390,747.50
  5. Step 5: Solve for x
    x = 3,471,636,219,390,747.50/87,156,131.80
  6. Step 6: Final answer
    x = 39,832,380.67

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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.