Home / 57,546,446.15-79,413,166.45-31,440,402.11

Finding the Fourth Proportional to 57,546,446.15, 79,413,166.45 and 31,440,402.11

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Solution

The fourth proportional to 57,546,446.15, 79,413,166.45 and 31,440,402.11 is: 43,387,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,546,446.15 : 79,413,166.45 = 31,440,402.11 : x
  2. Step 2: Convert to fraction form
    57,546,446.15/79,413,166.45 = 31,440,402.11/x
  3. Step 3: Cross multiply
    57,546,446.15x = 79,413,166.45 × 31,440,402.11
  4. Step 4: Simplify right side
    57,546,446.15x = 2,496,781,886,016,361.50
  5. Step 5: Solve for x
    x = 2,496,781,886,016,361.50/57,546,446.15
  6. Step 6: Final answer
    x = 43,387,247.22

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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.