Home / 99,288,965.20-148,933,447.80-26,505,605.20

Finding the Fourth Proportional to 99,288,965.20, 148,933,447.80 and 26,505,605.20

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Solution

The fourth proportional to 99,288,965.20, 148,933,447.80 and 26,505,605.20 is: 39,758,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,288,965.20 : 148,933,447.80 = 26,505,605.20 : x
  2. Step 2: Convert to fraction form
    99,288,965.20/148,933,447.80 = 26,505,605.20/x
  3. Step 3: Cross multiply
    99,288,965.20x = 148,933,447.80 × 26,505,605.20
  4. Step 4: Simplify right side
    99,288,965.20x = 3,947,571,168,461,609
  5. Step 5: Solve for x
    x = 3,947,571,168,461,609/99,288,965.20
  6. Step 6: Final answer
    x = 39,758,407.80

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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.