Home / 103,891,242.20-155,734,074.30-49,207,712.90

Finding the Fourth Proportional to 103,891,242.20, 155,734,074.30 and 49,207,712.90

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Solution

The fourth proportional to 103,891,242.20, 155,734,074.30 and 49,207,712.90 is: 73,762,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,891,242.20 : 155,734,074.30 = 49,207,712.90 : x
  2. Step 2: Convert to fraction form
    103,891,242.20/155,734,074.30 = 49,207,712.90/x
  3. Step 3: Cross multiply
    103,891,242.20x = 155,734,074.30 × 49,207,712.90
  4. Step 4: Simplify right side
    103,891,242.20x = 7,663,317,616,901,669
  5. Step 5: Solve for x
    x = 7,663,317,616,901,669/103,891,242.20
  6. Step 6: Final answer
    x = 73,762,883.71

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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.