Home / 173,165,048.10-259,385,404.95-81,127,340.10

Finding the Fourth Proportional to 173,165,048.10, 259,385,404.95 and 81,127,340.10

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Solution

The fourth proportional to 173,165,048.10, 259,385,404.95 and 81,127,340.10 is: 121,521,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,165,048.10 : 259,385,404.95 = 81,127,340.10 : x
  2. Step 2: Convert to fraction form
    173,165,048.10/259,385,404.95 = 81,127,340.10/x
  3. Step 3: Cross multiply
    173,165,048.10x = 259,385,404.95 × 81,127,340.10
  4. Step 4: Simplify right side
    173,165,048.10x = 21,043,247,964,354,872
  5. Step 5: Solve for x
    x = 21,043,247,964,354,872/173,165,048.10
  6. Step 6: Final answer
    x = 121,521,335.83

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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.