Home / 321,840,907.20-482,761,360.80-117,375,652.80

Finding the Fourth Proportional to 321,840,907.20, 482,761,360.80 and 117,375,652.80

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Solution

The fourth proportional to 321,840,907.20, 482,761,360.80 and 117,375,652.80 is: 176,063,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,840,907.20 : 482,761,360.80 = 117,375,652.80 : x
  2. Step 2: Convert to fraction form
    321,840,907.20/482,761,360.80 = 117,375,652.80/x
  3. Step 3: Cross multiply
    321,840,907.20x = 482,761,360.80 × 117,375,652.80
  4. Step 4: Simplify right side
    321,840,907.20x = 56,664,429,870,516,328
  5. Step 5: Solve for x
    x = 56,664,429,870,516,328/321,840,907.20
  6. Step 6: Final answer
    x = 176,063,479.20

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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.