Home / 155,436,612.30-233,304,217.65-78,846,122.70

Finding the Fourth Proportional to 155,436,612.30, 233,304,217.65 and 78,846,122.70

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Solution

The fourth proportional to 155,436,612.30, 233,304,217.65 and 78,846,122.70 is: 118,344,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,436,612.30 : 233,304,217.65 = 78,846,122.70 : x
  2. Step 2: Convert to fraction form
    155,436,612.30/233,304,217.65 = 78,846,122.70/x
  3. Step 3: Cross multiply
    155,436,612.30x = 233,304,217.65 × 78,846,122.70
  4. Step 4: Simplify right side
    155,436,612.30x = 18,395,132,971,259,408
  5. Step 5: Solve for x
    x = 18,395,132,971,259,408/155,436,612.30
  6. Step 6: Final answer
    x = 118,344,916.93

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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.