Home / 171,074,856.90-256,108,400.55-161,109,135.30

Finding the Fourth Proportional to 171,074,856.90, 256,108,400.55 and 161,109,135.30

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Solution

The fourth proportional to 171,074,856.90, 256,108,400.55 and 161,109,135.30 is: 241,189,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,074,856.90 : 256,108,400.55 = 161,109,135.30 : x
  2. Step 2: Convert to fraction form
    171,074,856.90/256,108,400.55 = 161,109,135.30/x
  3. Step 3: Cross multiply
    171,074,856.90x = 256,108,400.55 × 161,109,135.30
  4. Step 4: Simplify right side
    171,074,856.90x = 41,261,402,955,676,552
  5. Step 5: Solve for x
    x = 41,261,402,955,676,552/171,074,856.90
  6. Step 6: Final answer
    x = 241,189,171.24

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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.