Home / 86,522,200.88-129,789,076.12-30,428,392.84

Finding the Fourth Proportional to 86,522,200.88, 129,789,076.12 and 30,428,392.84

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Solution

The fourth proportional to 86,522,200.88, 129,789,076.12 and 30,428,392.84 is: 45,644,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,522,200.88 : 129,789,076.12 = 30,428,392.84 : x
  2. Step 2: Convert to fraction form
    86,522,200.88/129,789,076.12 = 30,428,392.84/x
  3. Step 3: Cross multiply
    86,522,200.88x = 129,789,076.12 × 30,428,392.84
  4. Step 4: Simplify right side
    86,522,200.88x = 3,949,272,994,520,023
  5. Step 5: Solve for x
    x = 3,949,272,994,520,023/86,522,200.88
  6. Step 6: Final answer
    x = 45,644,620.16

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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.