Home / 82,458,010.80-123,687,016.20-53,358,663.60

Finding the Fourth Proportional to 82,458,010.80, 123,687,016.20 and 53,358,663.60

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Solution

The fourth proportional to 82,458,010.80, 123,687,016.20 and 53,358,663.60 is: 80,037,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,458,010.80 : 123,687,016.20 = 53,358,663.60 : x
  2. Step 2: Convert to fraction form
    82,458,010.80/123,687,016.20 = 53,358,663.60/x
  3. Step 3: Cross multiply
    82,458,010.80x = 123,687,016.20 × 53,358,663.60
  4. Step 4: Simplify right side
    82,458,010.80x = 6,599,773,889,103,551
  5. Step 5: Solve for x
    x = 6,599,773,889,103,551/82,458,010.80
  6. Step 6: Final answer
    x = 80,037,995.40

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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.