Home / 108,871,327.80-163,306,991.70-108,115,500.60

Finding the Fourth Proportional to 108,871,327.80, 163,306,991.70 and 108,115,500.60

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Solution

The fourth proportional to 108,871,327.80, 163,306,991.70 and 108,115,500.60 is: 162,173,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871,327.80 : 163,306,991.70 = 108,115,500.60 : x
  2. Step 2: Convert to fraction form
    108,871,327.80/163,306,991.70 = 108,115,500.60/x
  3. Step 3: Cross multiply
    108,871,327.80x = 163,306,991.70 × 108,115,500.60
  4. Step 4: Simplify right side
    108,871,327.80x = 17,656,017,159,125,542
  5. Step 5: Solve for x
    x = 17,656,017,159,125,542/108,871,327.80
  6. Step 6: Final answer
    x = 162,173,250.90

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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.