Home / 82,725,332.80-124,087,999.20-75,558,971.20

Finding the Fourth Proportional to 82,725,332.80, 124,087,999.20 and 75,558,971.20

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Solution

The fourth proportional to 82,725,332.80, 124,087,999.20 and 75,558,971.20 is: 113,338,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,725,332.80 : 124,087,999.20 = 75,558,971.20 : x
  2. Step 2: Convert to fraction form
    82,725,332.80/124,087,999.20 = 75,558,971.20/x
  3. Step 3: Cross multiply
    82,725,332.80x = 124,087,999.20 × 75,558,971.20
  4. Step 4: Simplify right side
    82,725,332.80x = 9,375,961,557,818,424
  5. Step 5: Solve for x
    x = 9,375,961,557,818,424/82,725,332.80
  6. Step 6: Final answer
    x = 113,338,456.80

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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.