Home / 258,189,882.30-356,291,665.28-140,712,695.06

Finding the Fourth Proportional to 258,189,882.30, 356,291,665.28 and 140,712,695.06

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Solution

The fourth proportional to 258,189,882.30, 356,291,665.28 and 140,712,695.06 is: 194,177,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,189,882.30 : 356,291,665.28 = 140,712,695.06 : x
  2. Step 2: Convert to fraction form
    258,189,882.30/356,291,665.28 = 140,712,695.06/x
  3. Step 3: Cross multiply
    258,189,882.30x = 356,291,665.28 × 140,712,695.06
  4. Step 4: Simplify right side
    258,189,882.30x = 50,134,760,446,479,208
  5. Step 5: Solve for x
    x = 50,134,760,446,479,208/258,189,882.30
  6. Step 6: Final answer
    x = 194,177,866.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.