Home / 185,408,998.20-278,113,497.30-112,768,230.60

Finding the Fourth Proportional to 185,408,998.20, 278,113,497.30 and 112,768,230.60

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Solution

The fourth proportional to 185,408,998.20, 278,113,497.30 and 112,768,230.60 is: 169,152,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,408,998.20 : 278,113,497.30 = 112,768,230.60 : x
  2. Step 2: Convert to fraction form
    185,408,998.20/278,113,497.30 = 112,768,230.60/x
  3. Step 3: Cross multiply
    185,408,998.20x = 278,113,497.30 × 112,768,230.60
  4. Step 4: Simplify right side
    185,408,998.20x = 31,362,366,996,498,876
  5. Step 5: Solve for x
    x = 31,362,366,996,498,876/185,408,998.20
  6. Step 6: Final answer
    x = 169,152,345.90

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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.