Home / 87,975,101.60-131,962,652.40-47,160,432.80

Finding the Fourth Proportional to 87,975,101.60, 131,962,652.40 and 47,160,432.80

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Solution

The fourth proportional to 87,975,101.60, 131,962,652.40 and 47,160,432.80 is: 70,740,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,975,101.60 : 131,962,652.40 = 47,160,432.80 : x
  2. Step 2: Convert to fraction form
    87,975,101.60/131,962,652.40 = 47,160,432.80/x
  3. Step 3: Cross multiply
    87,975,101.60x = 131,962,652.40 × 47,160,432.80
  4. Step 4: Simplify right side
    87,975,101.60x = 6,223,415,800,619,959
  5. Step 5: Solve for x
    x = 6,223,415,800,619,959/87,975,101.60
  6. Step 6: Final answer
    x = 70,740,649.20

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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.