Home / 143,607,177,821.70-215,410,766,732.55-90,711,367,056.90

Finding the Fourth Proportional to 143,607,177,821.70, 215,410,766,732.55 and 90,711,367,056.90

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Solution

The fourth proportional to 143,607,177,821.70, 215,410,766,732.55 and 90,711,367,056.90 is: 136,067,050,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,607,177,821.70 : 215,410,766,732.55 = 90,711,367,056.90 : x
  2. Step 2: Convert to fraction form
    143,607,177,821.70/215,410,766,732.55 = 90,711,367,056.90/x
  3. Step 3: Cross multiply
    143,607,177,821.70x = 215,410,766,732.55 × 90,711,367,056.90
  4. Step 4: Simplify right side
    143,607,177,821.70x = 19,540,205,129,084,604,252,160
  5. Step 5: Solve for x
    x = 19,540,205,129,084,604,252,160/143,607,177,821.70
  6. Step 6: Final answer
    x = 136,067,050,585.35

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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.