Home / 155,436,625.80-233,304,237.90-78,846,136.20

Finding the Fourth Proportional to 155,436,625.80, 233,304,237.90 and 78,846,136.20

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Solution

The fourth proportional to 155,436,625.80, 233,304,237.90 and 78,846,136.20 is: 118,344,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,436,625.80 : 233,304,237.90 = 78,846,136.20 : x
  2. Step 2: Convert to fraction form
    155,436,625.80/233,304,237.90 = 78,846,136.20/x
  3. Step 3: Cross multiply
    155,436,625.80x = 233,304,237.90 × 78,846,136.20
  4. Step 4: Simplify right side
    155,436,625.80x = 18,395,137,717,500,604
  5. Step 5: Solve for x
    x = 18,395,137,717,500,604/155,436,625.80
  6. Step 6: Final answer
    x = 118,344,937.19

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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.