Home / 161,254,345.91-240,704,301.11-138,372,323.28

Finding the Fourth Proportional to 161,254,345.91, 240,704,301.11 and 138,372,323.28

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Solution

The fourth proportional to 161,254,345.91, 240,704,301.11 and 138,372,323.28 is: 206,548,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,254,345.91 : 240,704,301.11 = 138,372,323.28 : x
  2. Step 2: Convert to fraction form
    161,254,345.91/240,704,301.11 = 138,372,323.28/x
  3. Step 3: Cross multiply
    161,254,345.91x = 240,704,301.11 × 138,372,323.28
  4. Step 4: Simplify right side
    161,254,345.91x = 33,306,813,367,959,732
  5. Step 5: Solve for x
    x = 33,306,813,367,959,732/161,254,345.91
  6. Step 6: Final answer
    x = 206,548,314.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.