Home / 81,890,295.03-122,896,449.68-60,087,015.81

Finding the Fourth Proportional to 81,890,295.03, 122,896,449.68 and 60,087,015.81

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Solution

The fourth proportional to 81,890,295.03, 122,896,449.68 and 60,087,015.81 is: 90,175,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,890,295.03 : 122,896,449.68 = 60,087,015.81 : x
  2. Step 2: Convert to fraction form
    81,890,295.03/122,896,449.68 = 60,087,015.81/x
  3. Step 3: Cross multiply
    81,890,295.03x = 122,896,449.68 × 60,087,015.81
  4. Step 4: Simplify right side
    81,890,295.03x = 7,384,480,914,614,594
  5. Step 5: Solve for x
    x = 7,384,480,914,614,594/81,890,295.03
  6. Step 6: Final answer
    x = 90,175,287.71

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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.