Home / 131,251,478.45-196,919,276.24-91,900,722.01

Finding the Fourth Proportional to 131,251,478.45, 196,919,276.24 and 91,900,722.01

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Solution

The fourth proportional to 131,251,478.45, 196,919,276.24 and 91,900,722.01 is: 137,880,531.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,251,478.45 : 196,919,276.24 = 91,900,722.01 : x
  2. Step 2: Convert to fraction form
    131,251,478.45/196,919,276.24 = 91,900,722.01/x
  3. Step 3: Cross multiply
    131,251,478.45x = 196,919,276.24 × 91,900,722.01
  4. Step 4: Simplify right side
    131,251,478.45x = 18,097,023,664,304,068
  5. Step 5: Solve for x
    x = 18,097,023,664,304,068/131,251,478.45
  6. Step 6: Final answer
    x = 137,880,531.92

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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.