Home / 82,687,480.94-124,042,571.92-28,085,407.80

Finding the Fourth Proportional to 82,687,480.94, 124,042,571.92 and 28,085,407.80

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Solution

The fourth proportional to 82,687,480.94, 124,042,571.92 and 28,085,407.80 is: 42,131,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,687,480.94 : 124,042,571.92 = 28,085,407.80 : x
  2. Step 2: Convert to fraction form
    82,687,480.94/124,042,571.92 = 28,085,407.80/x
  3. Step 3: Cross multiply
    82,687,480.94x = 124,042,571.92 × 28,085,407.80
  4. Step 4: Simplify right side
    82,687,480.94x = 3,483,786,216,934,029
  5. Step 5: Solve for x
    x = 3,483,786,216,934,029/82,687,480.94
  6. Step 6: Final answer
    x = 42,131,966.98

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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.