Home / 42,081,207.80-63,072,045.30-21,876,049.40

Finding the Fourth Proportional to 42,081,207.80, 63,072,045.30 and 21,876,049.40

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Solution

The fourth proportional to 42,081,207.80, 63,072,045.30 and 21,876,049.40 is: 32,788,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,081,207.80 : 63,072,045.30 = 21,876,049.40 : x
  2. Step 2: Convert to fraction form
    42,081,207.80/63,072,045.30 = 21,876,049.40/x
  3. Step 3: Cross multiply
    42,081,207.80x = 63,072,045.30 × 21,876,049.40
  4. Step 4: Simplify right side
    42,081,207.80x = 1,379,767,178,741,837.75
  5. Step 5: Solve for x
    x = 1,379,767,178,741,837.75/42,081,207.80
  6. Step 6: Final answer
    x = 32,788,202.88

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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.