Home / 139,401,494.20-209,074,685.07-132,488,299.72

Finding the Fourth Proportional to 139,401,494.20, 209,074,685.07 and 132,488,299.72

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Solution

The fourth proportional to 139,401,494.20, 209,074,685.07 and 132,488,299.72 is: 198,706,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,401,494.20 : 209,074,685.07 = 132,488,299.72 : x
  2. Step 2: Convert to fraction form
    139,401,494.20/209,074,685.07 = 132,488,299.72/x
  3. Step 3: Cross multiply
    139,401,494.20x = 209,074,685.07 × 132,488,299.72
  4. Step 4: Simplify right side
    139,401,494.20x = 27,699,949,539,418,768
  5. Step 5: Solve for x
    x = 27,699,949,539,418,768/139,401,494.20
  6. Step 6: Final answer
    x = 198,706,259.92

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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.