Home / 87,753,601.20-131,630,401.80-42,403,969.20

Finding the Fourth Proportional to 87,753,601.20, 131,630,401.80 and 42,403,969.20

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Solution

The fourth proportional to 87,753,601.20, 131,630,401.80 and 42,403,969.20 is: 63,605,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753,601.20 : 131,630,401.80 = 42,403,969.20 : x
  2. Step 2: Convert to fraction form
    87,753,601.20/131,630,401.80 = 42,403,969.20/x
  3. Step 3: Cross multiply
    87,753,601.20x = 131,630,401.80 × 42,403,969.20
  4. Step 4: Simplify right side
    87,753,601.20x = 5,581,651,503,710,825
  5. Step 5: Solve for x
    x = 5,581,651,503,710,825/87,753,601.20
  6. Step 6: Final answer
    x = 63,605,953.80

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1.5x scale

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.