Home / 100,211,480.91-150,340,693.41-31,120,755.66

Finding the Fourth Proportional to 100,211,480.91, 150,340,693.41 and 31,120,755.66

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Solution

The fourth proportional to 100,211,480.91, 150,340,693.41 and 31,120,755.66 is: 46,688,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,211,480.91 : 150,340,693.41 = 31,120,755.66 : x
  2. Step 2: Convert to fraction form
    100,211,480.91/150,340,693.41 = 31,120,755.66/x
  3. Step 3: Cross multiply
    100,211,480.91x = 150,340,693.41 × 31,120,755.66
  4. Step 4: Simplify right side
    100,211,480.91x = 4,678,715,985,367,582
  5. Step 5: Solve for x
    x = 4,678,715,985,367,582/100,211,480.91
  6. Step 6: Final answer
    x = 46,688,422.75

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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.