Home / 115,924,803.52-159,976,577.22-63,719,188.96

Finding the Fourth Proportional to 115,924,803.52, 159,976,577.22 and 63,719,188.96

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Solution

The fourth proportional to 115,924,803.52, 159,976,577.22 and 63,719,188.96 is: 87,932,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,924,803.52 : 159,976,577.22 = 63,719,188.96 : x
  2. Step 2: Convert to fraction form
    115,924,803.52/159,976,577.22 = 63,719,188.96/x
  3. Step 3: Cross multiply
    115,924,803.52x = 159,976,577.22 × 63,719,188.96
  4. Step 4: Simplify right side
    115,924,803.52x = 10,193,577,753,055,212
  5. Step 5: Solve for x
    x = 10,193,577,753,055,212/115,924,803.52
  6. Step 6: Final answer
    x = 87,932,672.25

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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.