Home / 312,040,384.20-468,060,576.30-158,985,376.20

Finding the Fourth Proportional to 312,040,384.20, 468,060,576.30 and 158,985,376.20

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Solution

The fourth proportional to 312,040,384.20, 468,060,576.30 and 158,985,376.20 is: 238,478,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,040,384.20 : 468,060,576.30 = 158,985,376.20 : x
  2. Step 2: Convert to fraction form
    312,040,384.20/468,060,576.30 = 158,985,376.20/x
  3. Step 3: Cross multiply
    312,040,384.20x = 468,060,576.30 × 158,985,376.20
  4. Step 4: Simplify right side
    312,040,384.20x = 74,414,786,807,444,304
  5. Step 5: Solve for x
    x = 74,414,786,807,444,304/312,040,384.20
  6. Step 6: Final answer
    x = 238,478,064.30

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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.