Home / 108,109,963.86-162,192,588.11-31,432,992.08

Finding the Fourth Proportional to 108,109,963.86, 162,192,588.11 and 31,432,992.08

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Solution

The fourth proportional to 108,109,963.86, 162,192,588.11 and 31,432,992.08 is: 47,157,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,109,963.86 : 162,192,588.11 = 31,432,992.08 : x
  2. Step 2: Convert to fraction form
    108,109,963.86/162,192,588.11 = 31,432,992.08/x
  3. Step 3: Cross multiply
    108,109,963.86x = 162,192,588.11 × 31,432,992.08
  4. Step 4: Simplify right side
    108,109,963.86x = 5,098,198,337,470,085
  5. Step 5: Solve for x
    x = 5,098,198,337,470,085/108,109,963.86
  6. Step 6: Final answer
    x = 47,157,525.13

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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.