Home / 155,436,626.80-233,304,239.40-78,846,137.20

Finding the Fourth Proportional to 155,436,626.80, 233,304,239.40 and 78,846,137.20

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Solution

The fourth proportional to 155,436,626.80, 233,304,239.40 and 78,846,137.20 is: 118,344,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,436,626.80 : 233,304,239.40 = 78,846,137.20 : x
  2. Step 2: Convert to fraction form
    155,436,626.80/233,304,239.40 = 78,846,137.20/x
  3. Step 3: Cross multiply
    155,436,626.80x = 233,304,239.40 × 78,846,137.20
  4. Step 4: Simplify right side
    155,436,626.80x = 18,395,138,069,074,048
  5. Step 5: Solve for x
    x = 18,395,138,069,074,048/155,436,626.80
  6. Step 6: Final answer
    x = 118,344,938.69

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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.