Home / 158,304,428.25-218,454,829.38-87,737,031.42

Finding the Fourth Proportional to 158,304,428.25, 218,454,829.38 and 87,737,031.42

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Solution

The fourth proportional to 158,304,428.25, 218,454,829.38 and 87,737,031.42 is: 121,074,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,304,428.25 : 218,454,829.38 = 87,737,031.42 : x
  2. Step 2: Convert to fraction form
    158,304,428.25/218,454,829.38 = 87,737,031.42/x
  3. Step 3: Cross multiply
    158,304,428.25x = 218,454,829.38 × 87,737,031.42
  4. Step 4: Simplify right side
    158,304,428.25x = 19,166,578,229,163,800
  5. Step 5: Solve for x
    x = 19,166,578,229,163,800/158,304,428.25
  6. Step 6: Final answer
    x = 121,074,176.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.