Home / 109,304,995.78-163,986,209.12-39,282,294.26

Finding the Fourth Proportional to 109,304,995.78, 163,986,209.12 and 39,282,294.26

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Solution

The fourth proportional to 109,304,995.78, 163,986,209.12 and 39,282,294.26 is: 58,933,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,304,995.78 : 163,986,209.12 = 39,282,294.26 : x
  2. Step 2: Convert to fraction form
    109,304,995.78/163,986,209.12 = 39,282,294.26/x
  3. Step 3: Cross multiply
    109,304,995.78x = 163,986,209.12 × 39,282,294.26
  4. Step 4: Simplify right side
    109,304,995.78x = 6,441,754,521,233,735
  5. Step 5: Solve for x
    x = 6,441,754,521,233,735/109,304,995.78
  6. Step 6: Final answer
    x = 58,933,761.22

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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.