Home / 131,578,444.56-197,481,041.10-91,217,272.08

Finding the Fourth Proportional to 131,578,444.56, 197,481,041.10 and 91,217,272.08

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Solution

The fourth proportional to 131,578,444.56, 197,481,041.10 and 91,217,272.08 is: 136,904,505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,578,444.56 : 197,481,041.10 = 91,217,272.08 : x
  2. Step 2: Convert to fraction form
    131,578,444.56/197,481,041.10 = 91,217,272.08/x
  3. Step 3: Cross multiply
    131,578,444.56x = 197,481,041.10 × 91,217,272.08
  4. Step 4: Simplify right side
    131,578,444.56x = 18,013,681,856,660,362
  5. Step 5: Solve for x
    x = 18,013,681,856,660,362/131,578,444.56
  6. Step 6: Final answer
    x = 136,904,505.27

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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.