Home / 123,857,444.70-185,786,167.05-83,042,775.90

Finding the Fourth Proportional to 123,857,444.70, 185,786,167.05 and 83,042,775.90

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Solution

The fourth proportional to 123,857,444.70, 185,786,167.05 and 83,042,775.90 is: 124,564,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,857,444.70 : 185,786,167.05 = 83,042,775.90 : x
  2. Step 2: Convert to fraction form
    123,857,444.70/185,786,167.05 = 83,042,775.90/x
  3. Step 3: Cross multiply
    123,857,444.70x = 185,786,167.05 × 83,042,775.90
  4. Step 4: Simplify right side
    123,857,444.70x = 15,428,199,035,653,116
  5. Step 5: Solve for x
    x = 15,428,199,035,653,116/123,857,444.70
  6. Step 6: Final answer
    x = 124,564,163.85

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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.