Home / 67,392,086.40-101,088,129.60-55,298,851.20

Finding the Fourth Proportional to 67,392,086.40, 101,088,129.60 and 55,298,851.20

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Solution

The fourth proportional to 67,392,086.40, 101,088,129.60 and 55,298,851.20 is: 82,948,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,392,086.40 : 101,088,129.60 = 55,298,851.20 : x
  2. Step 2: Convert to fraction form
    67,392,086.40/101,088,129.60 = 55,298,851.20/x
  3. Step 3: Cross multiply
    67,392,086.40x = 101,088,129.60 × 55,298,851.20
  4. Step 4: Simplify right side
    67,392,086.40x = 5,590,057,436,836,715
  5. Step 5: Solve for x
    x = 5,590,057,436,836,715/67,392,086.40
  6. Step 6: Final answer
    x = 82,948,276.80

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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.