Home / 122,873,892.40-169,566,549.60-67,120,086.16

Finding the Fourth Proportional to 122,873,892.40, 169,566,549.60 and 67,120,086.16

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Solution

The fourth proportional to 122,873,892.40, 169,566,549.60 and 67,120,086.16 is: 92,626,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,873,892.40 : 169,566,549.60 = 67,120,086.16 : x
  2. Step 2: Convert to fraction form
    122,873,892.40/169,566,549.60 = 67,120,086.16/x
  3. Step 3: Cross multiply
    122,873,892.40x = 169,566,549.60 × 67,120,086.16
  4. Step 4: Simplify right side
    122,873,892.40x = 11,381,321,419,005,912
  5. Step 5: Solve for x
    x = 11,381,321,419,005,912/122,873,892.40
  6. Step 6: Final answer
    x = 92,626,034.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.