Home / 107,680,801.40-161,521,202.10-64,682,631.80

Finding the Fourth Proportional to 107,680,801.40, 161,521,202.10 and 64,682,631.80

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Solution

The fourth proportional to 107,680,801.40, 161,521,202.10 and 64,682,631.80 is: 97,023,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,680,801.40 : 161,521,202.10 = 64,682,631.80 : x
  2. Step 2: Convert to fraction form
    107,680,801.40/161,521,202.10 = 64,682,631.80/x
  3. Step 3: Cross multiply
    107,680,801.40x = 161,521,202.10 × 64,682,631.80
  4. Step 4: Simplify right side
    107,680,801.40x = 10,447,616,443,327,686
  5. Step 5: Solve for x
    x = 10,447,616,443,327,686/107,680,801.40
  6. Step 6: Final answer
    x = 97,023,947.70

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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.