Home / 80,851,544.70-121,277,317.05-29,722,983.90

Finding the Fourth Proportional to 80,851,544.70, 121,277,317.05 and 29,722,983.90

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Solution

The fourth proportional to 80,851,544.70, 121,277,317.05 and 29,722,983.90 is: 44,584,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,851,544.70 : 121,277,317.05 = 29,722,983.90 : x
  2. Step 2: Convert to fraction form
    80,851,544.70/121,277,317.05 = 29,722,983.90/x
  3. Step 3: Cross multiply
    80,851,544.70x = 121,277,317.05 × 29,722,983.90
  4. Step 4: Simplify right side
    80,851,544.70x = 3,604,723,742,112,345
  5. Step 5: Solve for x
    x = 3,604,723,742,112,345/80,851,544.70
  6. Step 6: Final answer
    x = 44,584,475.85

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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.