Home / 79,723,788.45-119,574,327.75-25,129,278.87

Finding the Fourth Proportional to 79,723,788.45, 119,574,327.75 and 25,129,278.87

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Solution

The fourth proportional to 79,723,788.45, 119,574,327.75 and 25,129,278.87 is: 37,690,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,723,788.45 : 119,574,327.75 = 25,129,278.87 : x
  2. Step 2: Convert to fraction form
    79,723,788.45/119,574,327.75 = 25,129,278.87/x
  3. Step 3: Cross multiply
    79,723,788.45x = 119,574,327.75 × 25,129,278.87
  4. Step 4: Simplify right side
    79,723,788.45x = 3,004,816,627,722,530
  5. Step 5: Solve for x
    x = 3,004,816,627,722,530/79,723,788.45
  6. Step 6: Final answer
    x = 37,690,339.18

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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.