Home / 93,891,379.20-140,669,107.20-80,454,451.20

Finding the Fourth Proportional to 93,891,379.20, 140,669,107.20 and 80,454,451.20

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Solution

The fourth proportional to 93,891,379.20, 140,669,107.20 and 80,454,451.20 is: 120,537,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,891,379.20 : 140,669,107.20 = 80,454,451.20 : x
  2. Step 2: Convert to fraction form
    93,891,379.20/140,669,107.20 = 80,454,451.20/x
  3. Step 3: Cross multiply
    93,891,379.20x = 140,669,107.20 × 80,454,451.20
  4. Step 4: Simplify right side
    93,891,379.20x = 11,317,455,820,569,968
  5. Step 5: Solve for x
    x = 11,317,455,820,569,968/93,891,379.20
  6. Step 6: Final answer
    x = 120,537,752.42

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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.