Home / 87,427,300.80-120,649,111.20-48,271,517.76

Finding the Fourth Proportional to 87,427,300.80, 120,649,111.20 and 48,271,517.76

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Solution

The fourth proportional to 87,427,300.80, 120,649,111.20 and 48,271,517.76 is: 66,614,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,427,300.80 : 120,649,111.20 = 48,271,517.76 : x
  2. Step 2: Convert to fraction form
    87,427,300.80/120,649,111.20 = 48,271,517.76/x
  3. Step 3: Cross multiply
    87,427,300.80x = 120,649,111.20 × 48,271,517.76
  4. Step 4: Simplify right side
    87,427,300.80x = 5,823,915,714,019,015
  5. Step 5: Solve for x
    x = 5,823,915,714,019,015/87,427,300.80
  6. Step 6: Final answer
    x = 66,614,383.16

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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.