Home / 154,543,708.80-231,815,563.20-69,609,052.80

Finding the Fourth Proportional to 154,543,708.80, 231,815,563.20 and 69,609,052.80

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Solution

The fourth proportional to 154,543,708.80, 231,815,563.20 and 69,609,052.80 is: 104,413,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,543,708.80 : 231,815,563.20 = 69,609,052.80 : x
  2. Step 2: Convert to fraction form
    154,543,708.80/231,815,563.20 = 69,609,052.80/x
  3. Step 3: Cross multiply
    154,543,708.80x = 231,815,563.20 × 69,609,052.80
  4. Step 4: Simplify right side
    154,543,708.80x = 16,136,461,778,650,536
  5. Step 5: Solve for x
    x = 16,136,461,778,650,536/154,543,708.80
  6. Step 6: Final answer
    x = 104,413,579.20

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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.