Home / 123,581,471.40-185,372,207.10-94,972,012.20

Finding the Fourth Proportional to 123,581,471.40, 185,372,207.10 and 94,972,012.20

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Solution

The fourth proportional to 123,581,471.40, 185,372,207.10 and 94,972,012.20 is: 142,458,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,581,471.40 : 185,372,207.10 = 94,972,012.20 : x
  2. Step 2: Convert to fraction form
    123,581,471.40/185,372,207.10 = 94,972,012.20/x
  3. Step 3: Cross multiply
    123,581,471.40x = 185,372,207.10 × 94,972,012.20
  4. Step 4: Simplify right side
    123,581,471.40x = 17,605,171,514,242,126
  5. Step 5: Solve for x
    x = 17,605,171,514,242,126/123,581,471.40
  6. Step 6: Final answer
    x = 142,458,018.30

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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.