Home / 155,436,615.30-233,304,222.15-78,846,125.70

Finding the Fourth Proportional to 155,436,615.30, 233,304,222.15 and 78,846,125.70

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Solution

The fourth proportional to 155,436,615.30, 233,304,222.15 and 78,846,125.70 is: 118,344,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,436,615.30 : 233,304,222.15 = 78,846,125.70 : x
  2. Step 2: Convert to fraction form
    155,436,615.30/233,304,222.15 = 78,846,125.70/x
  3. Step 3: Cross multiply
    155,436,615.30x = 233,304,222.15 × 78,846,125.70
  4. Step 4: Simplify right side
    155,436,615.30x = 18,395,134,025,979,624
  5. Step 5: Solve for x
    x = 18,395,134,025,979,624/155,436,615.30
  6. Step 6: Final answer
    x = 118,344,921.44

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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.