Home / 140,019,610.20-209,693,492.10-68,132,045.40

Finding the Fourth Proportional to 140,019,610.20, 209,693,492.10 and 68,132,045.40

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Solution

The fourth proportional to 140,019,610.20, 209,693,492.10 and 68,132,045.40 is: 102,034,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,019,610.20 : 209,693,492.10 = 68,132,045.40 : x
  2. Step 2: Convert to fraction form
    140,019,610.20/209,693,492.10 = 68,132,045.40/x
  3. Step 3: Cross multiply
    140,019,610.20x = 209,693,492.10 × 68,132,045.40
  4. Step 4: Simplify right side
    140,019,610.20x = 14,286,846,523,841,742
  5. Step 5: Solve for x
    x = 14,286,846,523,841,742/140,019,610.20
  6. Step 6: Final answer
    x = 102,034,611.46

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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.