Home / 87,520,032.40-131,280,048.60-42,170,400.40

Finding the Fourth Proportional to 87,520,032.40, 131,280,048.60 and 42,170,400.40

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Solution

The fourth proportional to 87,520,032.40, 131,280,048.60 and 42,170,400.40 is: 63,255,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,520,032.40 : 131,280,048.60 = 42,170,400.40 : x
  2. Step 2: Convert to fraction form
    87,520,032.40/131,280,048.60 = 42,170,400.40/x
  3. Step 3: Cross multiply
    87,520,032.40x = 131,280,048.60 × 42,170,400.40
  4. Step 4: Simplify right side
    87,520,032.40x = 5,536,132,213,993,459
  5. Step 5: Solve for x
    x = 5,536,132,213,993,459/87,520,032.40
  6. Step 6: Final answer
    x = 63,255,600.60

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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.