Home / 159,443,999.10-239,165,998.65-139,288,607.10

Finding the Fourth Proportional to 159,443,999.10, 239,165,998.65 and 139,288,607.10

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Solution

The fourth proportional to 159,443,999.10, 239,165,998.65 and 139,288,607.10 is: 208,932,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,443,999.10 : 239,165,998.65 = 139,288,607.10 : x
  2. Step 2: Convert to fraction form
    159,443,999.10/239,165,998.65 = 139,288,607.10/x
  3. Step 3: Cross multiply
    159,443,999.10x = 239,165,998.65 × 139,288,607.10
  4. Step 4: Simplify right side
    159,443,999.10x = 33,313,098,817,638,980
  5. Step 5: Solve for x
    x = 33,313,098,817,638,980/159,443,999.10
  6. Step 6: Final answer
    x = 208,932,910.65

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Similar ratio
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1.5x scale

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.