Home / 156,723,319.20-235,084,978.80-113,501,200.80

Finding the Fourth Proportional to 156,723,319.20, 235,084,978.80 and 113,501,200.80

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Solution

The fourth proportional to 156,723,319.20, 235,084,978.80 and 113,501,200.80 is: 170,251,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,723,319.20 : 235,084,978.80 = 113,501,200.80 : x
  2. Step 2: Convert to fraction form
    156,723,319.20/235,084,978.80 = 113,501,200.80/x
  3. Step 3: Cross multiply
    156,723,319.20x = 235,084,978.80 × 113,501,200.80
  4. Step 4: Simplify right side
    156,723,319.20x = 26,682,427,383,842,544
  5. Step 5: Solve for x
    x = 26,682,427,383,842,544/156,723,319.20
  6. Step 6: Final answer
    x = 170,251,801.20

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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.