Home / 107,680,255.40-161,520,383.10-64,682,085.80

Finding the Fourth Proportional to 107,680,255.40, 161,520,383.10 and 64,682,085.80

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Solution

The fourth proportional to 107,680,255.40, 161,520,383.10 and 64,682,085.80 is: 97,023,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,680,255.40 : 161,520,383.10 = 64,682,085.80 : x
  2. Step 2: Convert to fraction form
    107,680,255.40/161,520,383.10 = 64,682,085.80/x
  3. Step 3: Cross multiply
    107,680,255.40x = 161,520,383.10 × 64,682,085.80
  4. Step 4: Simplify right side
    107,680,255.40x = 10,447,475,278,123,070
  5. Step 5: Solve for x
    x = 10,447,475,278,123,070/107,680,255.40
  6. Step 6: Final answer
    x = 97,023,128.70

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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.