Home / 43,115,964.90-64,673,947.35-39,147,872.10

Finding the Fourth Proportional to 43,115,964.90, 64,673,947.35 and 39,147,872.10

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Solution

The fourth proportional to 43,115,964.90, 64,673,947.35 and 39,147,872.10 is: 58,721,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,115,964.90 : 64,673,947.35 = 39,147,872.10 : x
  2. Step 2: Convert to fraction form
    43,115,964.90/64,673,947.35 = 39,147,872.10/x
  3. Step 3: Cross multiply
    43,115,964.90x = 64,673,947.35 × 39,147,872.10
  4. Step 4: Simplify right side
    43,115,964.90x = 2,531,847,419,059,934
  5. Step 5: Solve for x
    x = 2,531,847,419,059,934/43,115,964.90
  6. Step 6: Final answer
    x = 58,721,808.15

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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.