Home / 143,680,762.40-215,521,143.60-41,448,135.20

Finding the Fourth Proportional to 143,680,762.40, 215,521,143.60 and 41,448,135.20

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Solution

The fourth proportional to 143,680,762.40, 215,521,143.60 and 41,448,135.20 is: 62,172,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,680,762.40 : 215,521,143.60 = 41,448,135.20 : x
  2. Step 2: Convert to fraction form
    143,680,762.40/215,521,143.60 = 41,448,135.20/x
  3. Step 3: Cross multiply
    143,680,762.40x = 215,521,143.60 × 41,448,135.20
  4. Step 4: Simplify right side
    143,680,762.40x = 8,932,949,498,391,415
  5. Step 5: Solve for x
    x = 8,932,949,498,391,415/143,680,762.40
  6. Step 6: Final answer
    x = 62,172,202.80

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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.