Home / 140,188,655.08-209,939,594.46-115,778,235.88

Finding the Fourth Proportional to 140,188,655.08, 209,939,594.46 and 115,778,235.88

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Solution

The fourth proportional to 140,188,655.08, 209,939,594.46 and 115,778,235.88 is: 173,383,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,188,655.08 : 209,939,594.46 = 115,778,235.88 : x
  2. Step 2: Convert to fraction form
    140,188,655.08/209,939,594.46 = 115,778,235.88/x
  3. Step 3: Cross multiply
    140,188,655.08x = 209,939,594.46 × 115,778,235.88
  4. Step 4: Simplify right side
    140,188,655.08x = 24,306,435,887,941,420
  5. Step 5: Solve for x
    x = 24,306,435,887,941,420/140,188,655.08
  6. Step 6: Final answer
    x = 173,383,758.29

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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.