Home / 42,079,344.30-63,119,016.45-18,144,816.30

Finding the Fourth Proportional to 42,079,344.30, 63,119,016.45 and 18,144,816.30

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Solution

The fourth proportional to 42,079,344.30, 63,119,016.45 and 18,144,816.30 is: 27,217,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,079,344.30 : 63,119,016.45 = 18,144,816.30 : x
  2. Step 2: Convert to fraction form
    42,079,344.30/63,119,016.45 = 18,144,816.30/x
  3. Step 3: Cross multiply
    42,079,344.30x = 63,119,016.45 × 18,144,816.30
  4. Step 4: Simplify right side
    42,079,344.30x = 1,145,282,958,521,928.25
  5. Step 5: Solve for x
    x = 1,145,282,958,521,928.25/42,079,344.30
  6. Step 6: Final answer
    x = 27,217,224.45

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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.