Home / 177,520,002.30-266,280,003.45-81,968,514.30

Finding the Fourth Proportional to 177,520,002.30, 266,280,003.45 and 81,968,514.30

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Solution

The fourth proportional to 177,520,002.30, 266,280,003.45 and 81,968,514.30 is: 122,952,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,520,002.30 : 266,280,003.45 = 81,968,514.30 : x
  2. Step 2: Convert to fraction form
    177,520,002.30/266,280,003.45 = 81,968,514.30/x
  3. Step 3: Cross multiply
    177,520,002.30x = 266,280,003.45 × 81,968,514.30
  4. Step 4: Simplify right side
    177,520,002.30x = 21,826,576,270,595,372
  5. Step 5: Solve for x
    x = 21,826,576,270,595,372/177,520,002.30
  6. Step 6: Final answer
    x = 122,952,771.45

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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.