Home / 143,801,612.20-215,702,418.30-119,886,767.20

Finding the Fourth Proportional to 143,801,612.20, 215,702,418.30 and 119,886,767.20

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Solution

The fourth proportional to 143,801,612.20, 215,702,418.30 and 119,886,767.20 is: 179,830,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,801,612.20 : 215,702,418.30 = 119,886,767.20 : x
  2. Step 2: Convert to fraction form
    143,801,612.20/215,702,418.30 = 119,886,767.20/x
  3. Step 3: Cross multiply
    143,801,612.20x = 215,702,418.30 × 119,886,767.20
  4. Step 4: Simplify right side
    143,801,612.20x = 25,859,865,607,209,120
  5. Step 5: Solve for x
    x = 25,859,865,607,209,120/143,801,612.20
  6. Step 6: Final answer
    x = 179,830,150.80

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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.