Home / 87,975,201.60-131,962,802.40-47,160,532.80

Finding the Fourth Proportional to 87,975,201.60, 131,962,802.40 and 47,160,532.80

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Solution

The fourth proportional to 87,975,201.60, 131,962,802.40 and 47,160,532.80 is: 70,740,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,975,201.60 : 131,962,802.40 = 47,160,532.80 : x
  2. Step 2: Convert to fraction form
    87,975,201.60/131,962,802.40 = 47,160,532.80/x
  3. Step 3: Cross multiply
    87,975,201.60x = 131,962,802.40 × 47,160,532.80
  4. Step 4: Simplify right side
    87,975,201.60x = 6,223,436,070,965,119
  5. Step 5: Solve for x
    x = 6,223,436,070,965,119/87,975,201.60
  6. Step 6: Final answer
    x = 70,740,799.20

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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.