Home / 83,118,092.76-124,710,206.58-31,986,382.68

Finding the Fourth Proportional to 83,118,092.76, 124,710,206.58 and 31,986,382.68

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Solution

The fourth proportional to 83,118,092.76, 124,710,206.58 and 31,986,382.68 is: 47,992,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,118,092.76 : 124,710,206.58 = 31,986,382.68 : x
  2. Step 2: Convert to fraction form
    83,118,092.76/124,710,206.58 = 31,986,382.68/x
  3. Step 3: Cross multiply
    83,118,092.76x = 124,710,206.58 × 31,986,382.68
  4. Step 4: Simplify right side
    83,118,092.76x = 3,989,028,391,769,734
  5. Step 5: Solve for x
    x = 3,989,028,391,769,734/83,118,092.76
  6. Step 6: Final answer
    x = 47,992,299.38

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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.