Home / 143,794,080.90-215,691,121.35-120,835,829.70

Finding the Fourth Proportional to 143,794,080.90, 215,691,121.35 and 120,835,829.70

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Solution

The fourth proportional to 143,794,080.90, 215,691,121.35 and 120,835,829.70 is: 181,253,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,794,080.90 : 215,691,121.35 = 120,835,829.70 : x
  2. Step 2: Convert to fraction form
    143,794,080.90/215,691,121.35 = 120,835,829.70/x
  3. Step 3: Cross multiply
    143,794,080.90x = 215,691,121.35 × 120,835,829.70
  4. Step 4: Simplify right side
    143,794,080.90x = 26,063,215,607,250,636
  5. Step 5: Solve for x
    x = 26,063,215,607,250,636/143,794,080.90
  6. Step 6: Final answer
    x = 181,253,744.55

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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.