Home / 29,181,132.80-40,272,048.28-16,128,110.80

Finding the Fourth Proportional to 29,181,132.80, 40,272,048.28 and 16,128,110.80

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Solution

The fourth proportional to 29,181,132.80, 40,272,048.28 and 16,128,110.80 is: 22,257,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,181,132.80 : 40,272,048.28 = 16,128,110.80 : x
  2. Step 2: Convert to fraction form
    29,181,132.80/40,272,048.28 = 16,128,110.80/x
  3. Step 3: Cross multiply
    29,181,132.80x = 40,272,048.28 × 16,128,110.80
  4. Step 4: Simplify right side
    29,181,132.80x = 649,512,056,802,789.50
  5. Step 5: Solve for x
    x = 649,512,056,802,789.50/29,181,132.80
  6. Step 6: Final answer
    x = 22,257,945.27

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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.