Home / 108,657,878.20-162,930,830.10-40,465,468.60

Finding the Fourth Proportional to 108,657,878.20, 162,930,830.10 and 40,465,468.60

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Solution

The fourth proportional to 108,657,878.20, 162,930,830.10 and 40,465,468.60 is: 60,677,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,657,878.20 : 162,930,830.10 = 40,465,468.60 : x
  2. Step 2: Convert to fraction form
    108,657,878.20/162,930,830.10 = 40,465,468.60/x
  3. Step 3: Cross multiply
    108,657,878.20x = 162,930,830.10 × 40,465,468.60
  4. Step 4: Simplify right side
    108,657,878.20x = 6,593,072,389,383,485
  5. Step 5: Solve for x
    x = 6,593,072,389,383,485/108,657,878.20
  6. Step 6: Final answer
    x = 60,677,352.61

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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.