Home / 82,775,000.80-124,175,623.20-28,192,729.60

Finding the Fourth Proportional to 82,775,000.80, 124,175,623.20 and 28,192,729.60

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Solution

The fourth proportional to 82,775,000.80, 124,175,623.20 and 28,192,729.60 is: 42,293,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,775,000.80 : 124,175,623.20 = 28,192,729.60 : x
  2. Step 2: Convert to fraction form
    82,775,000.80/124,175,623.20 = 28,192,729.60/x
  3. Step 3: Cross multiply
    82,775,000.80x = 124,175,623.20 × 28,192,729.60
  4. Step 4: Simplify right side
    82,775,000.80x = 3,500,849,767,789,087
  5. Step 5: Solve for x
    x = 3,500,849,767,789,087/82,775,000.80
  6. Step 6: Final answer
    x = 42,293,563.68

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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.