Home / 42,081,204.30-63,072,040.05-21,876,045.90

Finding the Fourth Proportional to 42,081,204.30, 63,072,040.05 and 21,876,045.90

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Solution

The fourth proportional to 42,081,204.30, 63,072,040.05 and 21,876,045.90 is: 32,788,197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,081,204.30 : 63,072,040.05 = 21,876,045.90 : x
  2. Step 2: Convert to fraction form
    42,081,204.30/63,072,040.05 = 21,876,045.90/x
  3. Step 3: Cross multiply
    42,081,204.30x = 63,072,040.05 × 21,876,045.90
  4. Step 4: Simplify right side
    42,081,204.30x = 1,379,766,843,140,438.25
  5. Step 5: Solve for x
    x = 1,379,766,843,140,438.25/42,081,204.30
  6. Step 6: Final answer
    x = 32,788,197.63

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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.