Home / 71,588,340.30-107,362,912.40-19,760,553.25

Finding the Fourth Proportional to 71,588,340.30, 107,362,912.40 and 19,760,553.25

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Solution

The fourth proportional to 71,588,340.30, 107,362,912.40 and 19,760,553.25 is: 29,635,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,588,340.30 : 107,362,912.40 = 19,760,553.25 : x
  2. Step 2: Convert to fraction form
    71,588,340.30/107,362,912.40 = 19,760,553.25/x
  3. Step 3: Cross multiply
    71,588,340.30x = 107,362,912.40 × 19,760,553.25
  4. Step 4: Simplify right side
    71,588,340.30x = 2,121,550,547,555,285.50
  5. Step 5: Solve for x
    x = 2,121,550,547,555,285.50/71,588,340.30
  6. Step 6: Final answer
    x = 29,635,420.22

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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.