Home / 185,644,811.20-278,467,216.80-143,177,483.20

Finding the Fourth Proportional to 185,644,811.20, 278,467,216.80 and 143,177,483.20

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Solution

The fourth proportional to 185,644,811.20, 278,467,216.80 and 143,177,483.20 is: 214,766,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,644,811.20 : 278,467,216.80 = 143,177,483.20 : x
  2. Step 2: Convert to fraction form
    185,644,811.20/278,467,216.80 = 143,177,483.20/x
  3. Step 3: Cross multiply
    185,644,811.20x = 278,467,216.80 × 143,177,483.20
  4. Step 4: Simplify right side
    185,644,811.20x = 39,870,235,255,132,760
  5. Step 5: Solve for x
    x = 39,870,235,255,132,760/185,644,811.20
  6. Step 6: Final answer
    x = 214,766,224.80

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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.