Home / 138,514,676.08-191,150,151.56-75,791,185.90

Finding the Fourth Proportional to 138,514,676.08, 191,150,151.56 and 75,791,185.90

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Solution

The fourth proportional to 138,514,676.08, 191,150,151.56 and 75,791,185.90 is: 104,591,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,514,676.08 : 191,150,151.56 = 75,791,185.90 : x
  2. Step 2: Convert to fraction form
    138,514,676.08/191,150,151.56 = 75,791,185.90/x
  3. Step 3: Cross multiply
    138,514,676.08x = 191,150,151.56 × 75,791,185.90
  4. Step 4: Simplify right side
    138,514,676.08x = 14,487,496,672,625,688
  5. Step 5: Solve for x
    x = 14,487,496,672,625,688/138,514,676.08
  6. Step 6: Final answer
    x = 104,591,781.05

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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.