Home / 87,343,500.60-131,015,250.90-86,776,630.20

Finding the Fourth Proportional to 87,343,500.60, 131,015,250.90 and 86,776,630.20

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Solution

The fourth proportional to 87,343,500.60, 131,015,250.90 and 86,776,630.20 is: 130,164,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,343,500.60 : 131,015,250.90 = 86,776,630.20 : x
  2. Step 2: Convert to fraction form
    87,343,500.60/131,015,250.90 = 86,776,630.20/x
  3. Step 3: Cross multiply
    87,343,500.60x = 131,015,250.90 × 86,776,630.20
  4. Step 4: Simplify right side
    87,343,500.60x = 11,369,061,977,909,518
  5. Step 5: Solve for x
    x = 11,369,061,977,909,518/87,343,500.60
  6. Step 6: Final answer
    x = 130,164,945.30

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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.