Home / 99,651,737.20-149,365,631.40-51,110,834.80

Finding the Fourth Proportional to 99,651,737.20, 149,365,631.40 and 51,110,834.80

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Solution

The fourth proportional to 99,651,737.20, 149,365,631.40 and 51,110,834.80 is: 76,608,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,737.20 : 149,365,631.40 = 51,110,834.80 : x
  2. Step 2: Convert to fraction form
    99,651,737.20/149,365,631.40 = 51,110,834.80/x
  3. Step 3: Cross multiply
    99,651,737.20x = 149,365,631.40 × 51,110,834.80
  4. Step 4: Simplify right side
    99,651,737.20x = 7,634,202,111,283,093
  5. Step 5: Solve for x
    x = 7,634,202,111,283,093/99,651,737.20
  6. Step 6: Final answer
    x = 76,608,821.14

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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.