Home / 131,008,410.17-196,438,876.79-43,523,090.97

Finding the Fourth Proportional to 131,008,410.17, 196,438,876.79 and 43,523,090.97

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Solution

The fourth proportional to 131,008,410.17, 196,438,876.79 and 43,523,090.97 is: 65,260,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,008,410.17 : 196,438,876.79 = 43,523,090.97 : x
  2. Step 2: Convert to fraction form
    131,008,410.17/196,438,876.79 = 43,523,090.97/x
  3. Step 3: Cross multiply
    131,008,410.17x = 196,438,876.79 × 43,523,090.97
  4. Step 4: Simplify right side
    131,008,410.17x = 8,549,627,104,726,498
  5. Step 5: Solve for x
    x = 8,549,627,104,726,498/131,008,410.17
  6. Step 6: Final answer
    x = 65,260,139.36

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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.