Home / 137,141,750.08-189,243,105.92-81,377,560

Finding the Fourth Proportional to 137,141,750.08, 189,243,105.92 and 81,377,560

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Solution

The fourth proportional to 137,141,750.08, 189,243,105.92 and 81,377,560 is: 112,293,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,141,750.08 : 189,243,105.92 = 81,377,560 : x
  2. Step 2: Convert to fraction form
    137,141,750.08/189,243,105.92 = 81,377,560/x
  3. Step 3: Cross multiply
    137,141,750.08x = 189,243,105.92 × 81,377,560
  4. Step 4: Simplify right side
    137,141,750.08x = 15,400,142,206,591,154
  5. Step 5: Solve for x
    x = 15,400,142,206,591,154/137,141,750.08
  6. Step 6: Final answer
    x = 112,293,610.06

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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.