Home / 115,209,822.39-172,814,908.50-47,052,514.14

Finding the Fourth Proportional to 115,209,822.39, 172,814,908.50 and 47,052,514.14

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Solution

The fourth proportional to 115,209,822.39, 172,814,908.50 and 47,052,514.14 is: 70,578,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209,822.39 : 172,814,908.50 = 47,052,514.14 : x
  2. Step 2: Convert to fraction form
    115,209,822.39/172,814,908.50 = 47,052,514.14/x
  3. Step 3: Cross multiply
    115,209,822.39x = 172,814,908.50 × 47,052,514.14
  4. Step 4: Simplify right side
    115,209,822.39x = 8,131,375,925,799,056
  5. Step 5: Solve for x
    x = 8,131,375,925,799,056/115,209,822.39
  6. Step 6: Final answer
    x = 70,578,842.65

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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.