Home / 213,023,140.60-319,534,710.90-140,463,729.40

Finding the Fourth Proportional to 213,023,140.60, 319,534,710.90 and 140,463,729.40

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Solution

The fourth proportional to 213,023,140.60, 319,534,710.90 and 140,463,729.40 is: 210,695,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,023,140.60 : 319,534,710.90 = 140,463,729.40 : x
  2. Step 2: Convert to fraction form
    213,023,140.60/319,534,710.90 = 140,463,729.40/x
  3. Step 3: Cross multiply
    213,023,140.60x = 319,534,710.90 × 140,463,729.40
  4. Step 4: Simplify right side
    213,023,140.60x = 44,883,037,165,764,832
  5. Step 5: Solve for x
    x = 44,883,037,165,764,832/213,023,140.60
  6. Step 6: Final answer
    x = 210,695,594.10

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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.