Home / 177,955,621.20-266,933,431.80-158,807,998.80

Finding the Fourth Proportional to 177,955,621.20, 266,933,431.80 and 158,807,998.80

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Solution

The fourth proportional to 177,955,621.20, 266,933,431.80 and 158,807,998.80 is: 238,211,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,955,621.20 : 266,933,431.80 = 158,807,998.80 : x
  2. Step 2: Convert to fraction form
    177,955,621.20/266,933,431.80 = 158,807,998.80/x
  3. Step 3: Cross multiply
    177,955,621.20x = 266,933,431.80 × 158,807,998.80
  4. Step 4: Simplify right side
    177,955,621.20x = 42,391,164,116,974,288
  5. Step 5: Solve for x
    x = 42,391,164,116,974,288/177,955,621.20
  6. Step 6: Final answer
    x = 238,211,998.20

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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.