Home / 177,945,647.40-266,918,471.10-75,713,020.20

Finding the Fourth Proportional to 177,945,647.40, 266,918,471.10 and 75,713,020.20

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Solution

The fourth proportional to 177,945,647.40, 266,918,471.10 and 75,713,020.20 is: 113,569,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,945,647.40 : 266,918,471.10 = 75,713,020.20 : x
  2. Step 2: Convert to fraction form
    177,945,647.40/266,918,471.10 = 75,713,020.20/x
  3. Step 3: Cross multiply
    177,945,647.40x = 266,918,471.10 × 75,713,020.20
  4. Step 4: Simplify right side
    177,945,647.40x = 20,209,203,594,147,416
  5. Step 5: Solve for x
    x = 20,209,203,594,147,416/177,945,647.40
  6. Step 6: Final answer
    x = 113,569,530.30

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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.