Home / 99,578,532.80-149,367,799.20-38,974,116.80

Finding the Fourth Proportional to 99,578,532.80, 149,367,799.20 and 38,974,116.80

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Solution

The fourth proportional to 99,578,532.80, 149,367,799.20 and 38,974,116.80 is: 58,461,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,578,532.80 : 149,367,799.20 = 38,974,116.80 : x
  2. Step 2: Convert to fraction form
    99,578,532.80/149,367,799.20 = 38,974,116.80/x
  3. Step 3: Cross multiply
    99,578,532.80x = 149,367,799.20 × 38,974,116.80
  4. Step 4: Simplify right side
    99,578,532.80x = 5,821,478,052,179,746
  5. Step 5: Solve for x
    x = 5,821,478,052,179,746/99,578,532.80
  6. Step 6: Final answer
    x = 58,461,175.20

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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.