Home / 87,871,003.20-121,310,249.40-60,035,567.04

Finding the Fourth Proportional to 87,871,003.20, 121,310,249.40 and 60,035,567.04

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Solution

The fourth proportional to 87,871,003.20, 121,310,249.40 and 60,035,567.04 is: 82,882,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,871,003.20 : 121,310,249.40 = 60,035,567.04 : x
  2. Step 2: Convert to fraction form
    87,871,003.20/121,310,249.40 = 60,035,567.04/x
  3. Step 3: Cross multiply
    87,871,003.20x = 121,310,249.40 × 60,035,567.04
  4. Step 4: Simplify right side
    87,871,003.20x = 7,282,929,610,492,820
  5. Step 5: Solve for x
    x = 7,282,929,610,492,820/87,871,003.20
  6. Step 6: Final answer
    x = 82,882,058.30

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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.