Home / 71,269,896.28-98,352,456.98-38,674,848.28

Finding the Fourth Proportional to 71,269,896.28, 98,352,456.98 and 38,674,848.28

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Solution

The fourth proportional to 71,269,896.28, 98,352,456.98 and 38,674,848.28 is: 53,371,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,269,896.28 : 98,352,456.98 = 38,674,848.28 : x
  2. Step 2: Convert to fraction form
    71,269,896.28/98,352,456.98 = 38,674,848.28/x
  3. Step 3: Cross multiply
    71,269,896.28x = 98,352,456.98 × 38,674,848.28
  4. Step 4: Simplify right side
    71,269,896.28x = 3,803,766,351,666,727.50
  5. Step 5: Solve for x
    x = 3,803,766,351,666,727.50/71,269,896.28
  6. Step 6: Final answer
    x = 53,371,290.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.