Home / 239,822,945,202.29-359,737,181,287.89-86,679,465,803.78

Finding the Fourth Proportional to 239,822,945,202.29, 359,737,181,287.89 and 86,679,465,803.78

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Solution

The fourth proportional to 239,822,945,202.29, 359,737,181,287.89 and 86,679,465,803.78 is: 130,020,197,514.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,822,945,202.29 : 359,737,181,287.89 = 86,679,465,803.78 : x
  2. Step 2: Convert to fraction form
    239,822,945,202.29/359,737,181,287.89 = 86,679,465,803.78/x
  3. Step 3: Cross multiply
    239,822,945,202.29x = 359,737,181,287.89 × 86,679,465,803.78
  4. Step 4: Simplify right side
    239,822,945,202.29x = 31,181,826,703,791,866,511,360
  5. Step 5: Solve for x
    x = 31,181,826,703,791,866,511,360/239,822,945,202.29
  6. Step 6: Final answer
    x = 130,020,197,514.84

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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.