Home / 67,392,103.20-101,088,154.80-53,955,175.20

Finding the Fourth Proportional to 67,392,103.20, 101,088,154.80 and 53,955,175.20

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Solution

The fourth proportional to 67,392,103.20, 101,088,154.80 and 53,955,175.20 is: 80,932,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,392,103.20 : 101,088,154.80 = 53,955,175.20 : x
  2. Step 2: Convert to fraction form
    67,392,103.20/101,088,154.80 = 53,955,175.20/x
  3. Step 3: Cross multiply
    67,392,103.20x = 101,088,154.80 × 53,955,175.20
  4. Step 4: Simplify right side
    67,392,103.20x = 5,454,229,102,878,721
  5. Step 5: Solve for x
    x = 5,454,229,102,878,721/67,392,103.20
  6. Step 6: Final answer
    x = 80,932,762.80

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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.