Home / 42,081,203.80-63,072,039.30-21,876,045.40

Finding the Fourth Proportional to 42,081,203.80, 63,072,039.30 and 21,876,045.40

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Solution

The fourth proportional to 42,081,203.80, 63,072,039.30 and 21,876,045.40 is: 32,788,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,081,203.80 : 63,072,039.30 = 21,876,045.40 : x
  2. Step 2: Convert to fraction form
    42,081,203.80/63,072,039.30 = 21,876,045.40/x
  3. Step 3: Cross multiply
    42,081,203.80x = 63,072,039.30 × 21,876,045.40
  4. Step 4: Simplify right side
    42,081,203.80x = 1,379,766,795,197,384
  5. Step 5: Solve for x
    x = 1,379,766,795,197,384/42,081,203.80
  6. Step 6: Final answer
    x = 32,788,196.88

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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.