Home / 71,269,840.20-98,352,379.49-38,674,792.20

Finding the Fourth Proportional to 71,269,840.20, 98,352,379.49 and 38,674,792.20

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Solution

The fourth proportional to 71,269,840.20, 98,352,379.49 and 38,674,792.20 is: 53,371,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,269,840.20 : 98,352,379.49 = 38,674,792.20 : x
  2. Step 2: Convert to fraction form
    71,269,840.20/98,352,379.49 = 38,674,792.20/x
  3. Step 3: Cross multiply
    71,269,840.20x = 98,352,379.49 × 38,674,792.20
  4. Step 4: Simplify right side
    71,269,840.20x = 3,803,757,838,957,918.50
  5. Step 5: Solve for x
    x = 3,803,757,838,957,918.50/71,269,840.20
  6. Step 6: Final answer
    x = 53,371,213.24

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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.