Home / 43,115,963.40-64,673,945.10-39,147,870.60

Finding the Fourth Proportional to 43,115,963.40, 64,673,945.10 and 39,147,870.60

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Solution

The fourth proportional to 43,115,963.40, 64,673,945.10 and 39,147,870.60 is: 58,721,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,115,963.40 : 64,673,945.10 = 39,147,870.60 : x
  2. Step 2: Convert to fraction form
    43,115,963.40/64,673,945.10 = 39,147,870.60/x
  3. Step 3: Cross multiply
    43,115,963.40x = 64,673,945.10 × 39,147,870.60
  4. Step 4: Simplify right side
    43,115,963.40x = 2,531,847,233,966,304
  5. Step 5: Solve for x
    x = 2,531,847,233,966,304/43,115,963.40
  6. Step 6: Final answer
    x = 58,721,805.90

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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.