Home / 68,097,693.40-102,146,540.10-42,567,530.20

Finding the Fourth Proportional to 68,097,693.40, 102,146,540.10 and 42,567,530.20

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Solution

The fourth proportional to 68,097,693.40, 102,146,540.10 and 42,567,530.20 is: 63,851,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,097,693.40 : 102,146,540.10 = 42,567,530.20 : x
  2. Step 2: Convert to fraction form
    68,097,693.40/102,146,540.10 = 42,567,530.20/x
  3. Step 3: Cross multiply
    68,097,693.40x = 102,146,540.10 × 42,567,530.20
  4. Step 4: Simplify right side
    68,097,693.40x = 4,348,125,930,532,261
  5. Step 5: Solve for x
    x = 4,348,125,930,532,261/68,097,693.40
  6. Step 6: Final answer
    x = 63,851,295.30

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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.