Home / 172,313,884.60-258,470,826.90-123,940,943.80

Finding the Fourth Proportional to 172,313,884.60, 258,470,826.90 and 123,940,943.80

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Solution

The fourth proportional to 172,313,884.60, 258,470,826.90 and 123,940,943.80 is: 185,911,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,313,884.60 : 258,470,826.90 = 123,940,943.80 : x
  2. Step 2: Convert to fraction form
    172,313,884.60/258,470,826.90 = 123,940,943.80/x
  3. Step 3: Cross multiply
    172,313,884.60x = 258,470,826.90 × 123,940,943.80
  4. Step 4: Simplify right side
    172,313,884.60x = 32,035,118,230,752,428
  5. Step 5: Solve for x
    x = 32,035,118,230,752,428/172,313,884.60
  6. Step 6: Final answer
    x = 185,911,415.70

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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.