Home / 108,657,378.20-162,930,080.10-40,464,968.60

Finding the Fourth Proportional to 108,657,378.20, 162,930,080.10 and 40,464,968.60

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Solution

The fourth proportional to 108,657,378.20, 162,930,080.10 and 40,464,968.60 is: 60,676,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,657,378.20 : 162,930,080.10 = 40,464,968.60 : x
  2. Step 2: Convert to fraction form
    108,657,378.20/162,930,080.10 = 40,464,968.60/x
  3. Step 3: Cross multiply
    108,657,378.20x = 162,930,080.10 × 40,464,968.60
  4. Step 4: Simplify right side
    108,657,378.20x = 6,592,960,575,241,985
  5. Step 5: Solve for x
    x = 6,592,960,575,241,985/108,657,378.20
  6. Step 6: Final answer
    x = 60,676,602.77

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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.