Home / 172,422,118.92-258,518,253.96-83,767,050.66

Finding the Fourth Proportional to 172,422,118.92, 258,518,253.96 and 83,767,050.66

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Solution

The fourth proportional to 172,422,118.92, 258,518,253.96 and 83,767,050.66 is: 125,594,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,422,118.92 : 258,518,253.96 = 83,767,050.66 : x
  2. Step 2: Convert to fraction form
    172,422,118.92/258,518,253.96 = 83,767,050.66/x
  3. Step 3: Cross multiply
    172,422,118.92x = 258,518,253.96 × 83,767,050.66
  4. Step 4: Simplify right side
    172,422,118.92x = 21,655,311,676,002,064
  5. Step 5: Solve for x
    x = 21,655,311,676,002,064/172,422,118.92
  6. Step 6: Final answer
    x = 125,594,742.78

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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.