Home / 108,657,885.20-162,930,840.60-40,465,475.60

Finding the Fourth Proportional to 108,657,885.20, 162,930,840.60 and 40,465,475.60

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Solution

The fourth proportional to 108,657,885.20, 162,930,840.60 and 40,465,475.60 is: 60,677,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,657,885.20 : 162,930,840.60 = 40,465,475.60 : x
  2. Step 2: Convert to fraction form
    108,657,885.20/162,930,840.60 = 40,465,475.60/x
  3. Step 3: Cross multiply
    108,657,885.20x = 162,930,840.60 × 40,465,475.60
  4. Step 4: Simplify right side
    108,657,885.20x = 6,593,073,954,786,789
  5. Step 5: Solve for x
    x = 6,593,073,954,786,789/108,657,885.20
  6. Step 6: Final answer
    x = 60,677,363.11

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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.