Home / 212,977,195.40-319,465,793.10-140,276,066.60

Finding the Fourth Proportional to 212,977,195.40, 319,465,793.10 and 140,276,066.60

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Solution

The fourth proportional to 212,977,195.40, 319,465,793.10 and 140,276,066.60 is: 210,414,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,977,195.40 : 319,465,793.10 = 140,276,066.60 : x
  2. Step 2: Convert to fraction form
    212,977,195.40/319,465,793.10 = 140,276,066.60/x
  3. Step 3: Cross multiply
    212,977,195.40x = 319,465,793.10 × 140,276,066.60
  4. Step 4: Simplify right side
    212,977,195.40x = 44,813,404,869,317,424
  5. Step 5: Solve for x
    x = 44,813,404,869,317,424/212,977,195.40
  6. Step 6: Final answer
    x = 210,414,099.90

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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.