Home / 80,752,468.20-121,144,448.70-34,694,248.20

Finding the Fourth Proportional to 80,752,468.20, 121,144,448.70 and 34,694,248.20

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Solution

The fourth proportional to 80,752,468.20, 121,144,448.70 and 34,694,248.20 is: 52,048,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,752,468.20 : 121,144,448.70 = 34,694,248.20 : x
  2. Step 2: Convert to fraction form
    80,752,468.20/121,144,448.70 = 34,694,248.20/x
  3. Step 3: Cross multiply
    80,752,468.20x = 121,144,448.70 × 34,694,248.20
  4. Step 4: Simplify right side
    80,752,468.20x = 4,203,015,571,249,968
  5. Step 5: Solve for x
    x = 4,203,015,571,249,968/80,752,468.20
  6. Step 6: Final answer
    x = 52,048,137.54

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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.