Home / 53,870,061.90-80,805,092.85-13,480,481.10

Finding the Fourth Proportional to 53,870,061.90, 80,805,092.85 and 13,480,481.10

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Solution

The fourth proportional to 53,870,061.90, 80,805,092.85 and 13,480,481.10 is: 20,220,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,870,061.90 : 80,805,092.85 = 13,480,481.10 : x
  2. Step 2: Convert to fraction form
    53,870,061.90/80,805,092.85 = 13,480,481.10/x
  3. Step 3: Cross multiply
    53,870,061.90x = 80,805,092.85 × 13,480,481.10
  4. Step 4: Simplify right side
    53,870,061.90x = 1,089,291,526,948,170
  5. Step 5: Solve for x
    x = 1,089,291,526,948,170/53,870,061.90
  6. Step 6: Final answer
    x = 20,220,721.65

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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.