Home / 143,843,364,002.20-215,765,046,003.30-136,986,499,643.80

Finding the Fourth Proportional to 143,843,364,002.20, 215,765,046,003.30 and 136,986,499,643.80

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Solution

The fourth proportional to 143,843,364,002.20, 215,765,046,003.30 and 136,986,499,643.80 is: 205,479,749,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,843,364,002.20 : 215,765,046,003.30 = 136,986,499,643.80 : x
  2. Step 2: Convert to fraction form
    143,843,364,002.20/215,765,046,003.30 = 136,986,499,643.80/x
  3. Step 3: Cross multiply
    143,843,364,002.20x = 215,765,046,003.30 × 136,986,499,643.80
  4. Step 4: Simplify right side
    143,843,364,002.20x = 29,556,898,397,475,544,498,176
  5. Step 5: Solve for x
    x = 29,556,898,397,475,544,498,176/143,843,364,002.20
  6. Step 6: Final answer
    x = 205,479,749,465.70

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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.