Home / 212,977,194.40-319,465,791.60-140,276,065.60

Finding the Fourth Proportional to 212,977,194.40, 319,465,791.60 and 140,276,065.60

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Solution

The fourth proportional to 212,977,194.40, 319,465,791.60 and 140,276,065.60 is: 210,414,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,977,194.40 : 319,465,791.60 = 140,276,065.60 : x
  2. Step 2: Convert to fraction form
    212,977,194.40/319,465,791.60 = 140,276,065.60/x
  3. Step 3: Cross multiply
    212,977,194.40x = 319,465,791.60 × 140,276,065.60
  4. Step 4: Simplify right side
    212,977,194.40x = 44,813,404,339,437,528
  5. Step 5: Solve for x
    x = 44,813,404,339,437,528/212,977,194.40
  6. Step 6: Final answer
    x = 210,414,098.40

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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.