Home / 115,924,802.52-159,976,575.84-63,719,187.96

Finding the Fourth Proportional to 115,924,802.52, 159,976,575.84 and 63,719,187.96

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Solution

The fourth proportional to 115,924,802.52, 159,976,575.84 and 63,719,187.96 is: 87,932,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,924,802.52 : 159,976,575.84 = 63,719,187.96 : x
  2. Step 2: Convert to fraction form
    115,924,802.52/159,976,575.84 = 63,719,187.96/x
  3. Step 3: Cross multiply
    115,924,802.52x = 159,976,575.84 × 63,719,187.96
  4. Step 4: Simplify right side
    115,924,802.52x = 10,193,577,505,146,156
  5. Step 5: Solve for x
    x = 10,193,577,505,146,156/115,924,802.52
  6. Step 6: Final answer
    x = 87,932,670.87

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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.