Home / 185,879,475.20-278,819,212.80-171,015,910.40

Finding the Fourth Proportional to 185,879,475.20, 278,819,212.80 and 171,015,910.40

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Solution

The fourth proportional to 185,879,475.20, 278,819,212.80 and 171,015,910.40 is: 256,523,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,879,475.20 : 278,819,212.80 = 171,015,910.40 : x
  2. Step 2: Convert to fraction form
    185,879,475.20/278,819,212.80 = 171,015,910.40/x
  3. Step 3: Cross multiply
    185,879,475.20x = 278,819,212.80 × 171,015,910.40
  4. Step 4: Simplify right side
    185,879,475.20x = 47,682,521,514,003,336
  5. Step 5: Solve for x
    x = 47,682,521,514,003,336/185,879,475.20
  6. Step 6: Final answer
    x = 256,523,865.60

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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.