Home / 99,633,679.80-149,397,375.60-42,060,904.80

Finding the Fourth Proportional to 99,633,679.80, 149,397,375.60 and 42,060,904.80

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Solution

The fourth proportional to 99,633,679.80, 149,397,375.60 and 42,060,904.80 is: 63,068,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,633,679.80 : 149,397,375.60 = 42,060,904.80 : x
  2. Step 2: Convert to fraction form
    99,633,679.80/149,397,375.60 = 42,060,904.80/x
  3. Step 3: Cross multiply
    99,633,679.80x = 149,397,375.60 × 42,060,904.80
  4. Step 4: Simplify right side
    99,633,679.80x = 6,283,788,792,481,442
  5. Step 5: Solve for x
    x = 6,283,788,792,481,442/99,633,679.80
  6. Step 6: Final answer
    x = 63,068,922.13

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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.