Home / 108,871,010.20-163,320,512.10-54,311,483.80

Finding the Fourth Proportional to 108,871,010.20, 163,320,512.10 and 54,311,483.80

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Solution

The fourth proportional to 108,871,010.20, 163,320,512.10 and 54,311,483.80 is: 81,474,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871,010.20 : 163,320,512.10 = 54,311,483.80 : x
  2. Step 2: Convert to fraction form
    108,871,010.20/163,320,512.10 = 54,311,483.80/x
  3. Step 3: Cross multiply
    108,871,010.20x = 163,320,512.10 × 54,311,483.80
  4. Step 4: Simplify right side
    108,871,010.20x = 8,870,179,347,126,853
  5. Step 5: Solve for x
    x = 8,870,179,347,126,853/108,871,010.20
  6. Step 6: Final answer
    x = 81,474,208.16

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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.