Home / 82,241,326.40-123,361,989.60-69,327,310.10

Finding the Fourth Proportional to 82,241,326.40, 123,361,989.60 and 69,327,310.10

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Solution

The fourth proportional to 82,241,326.40, 123,361,989.60 and 69,327,310.10 is: 103,990,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,241,326.40 : 123,361,989.60 = 69,327,310.10 : x
  2. Step 2: Convert to fraction form
    82,241,326.40/123,361,989.60 = 69,327,310.10/x
  3. Step 3: Cross multiply
    82,241,326.40x = 123,361,989.60 × 69,327,310.10
  4. Step 4: Simplify right side
    82,241,326.40x = 8,552,354,907,552,174
  5. Step 5: Solve for x
    x = 8,552,354,907,552,174/82,241,326.40
  6. Step 6: Final answer
    x = 103,990,965.15

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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.