Home / 123,304,873.61-170,160,711.43-73,745,239.36

Finding the Fourth Proportional to 123,304,873.61, 170,160,711.43 and 73,745,239.36

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Solution

The fourth proportional to 123,304,873.61, 170,160,711.43 and 73,745,239.36 is: 101,768,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,304,873.61 : 170,160,711.43 = 73,745,239.36 : x
  2. Step 2: Convert to fraction form
    123,304,873.61/170,160,711.43 = 73,745,239.36/x
  3. Step 3: Cross multiply
    123,304,873.61x = 170,160,711.43 × 73,745,239.36
  4. Step 4: Simplify right side
    123,304,873.61x = 12,548,542,393,476,438
  5. Step 5: Solve for x
    x = 12,548,542,393,476,438/123,304,873.61
  6. Step 6: Final answer
    x = 101,768,421.85

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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.