Home / 108,657,328.20-162,930,005.10-40,464,918.60

Finding the Fourth Proportional to 108,657,328.20, 162,930,005.10 and 40,464,918.60

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Solution

The fourth proportional to 108,657,328.20, 162,930,005.10 and 40,464,918.60 is: 60,676,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,657,328.20 : 162,930,005.10 = 40,464,918.60 : x
  2. Step 2: Convert to fraction form
    108,657,328.20/162,930,005.10 = 40,464,918.60/x
  3. Step 3: Cross multiply
    108,657,328.20x = 162,930,005.10 × 40,464,918.60
  4. Step 4: Simplify right side
    108,657,328.20x = 6,592,949,393,869,085
  5. Step 5: Solve for x
    x = 6,592,949,393,869,085/108,657,328.20
  6. Step 6: Final answer
    x = 60,676,527.79

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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.