Home / 289,694,443.20-434,258,229.60-116,940,688.80

Finding the Fourth Proportional to 289,694,443.20, 434,258,229.60 and 116,940,688.80

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Solution

The fourth proportional to 289,694,443.20, 434,258,229.60 and 116,940,688.80 is: 175,296,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,694,443.20 : 434,258,229.60 = 116,940,688.80 : x
  2. Step 2: Convert to fraction form
    289,694,443.20/434,258,229.60 = 116,940,688.80/x
  3. Step 3: Cross multiply
    289,694,443.20x = 434,258,229.60 × 116,940,688.80
  4. Step 4: Simplify right side
    289,694,443.20x = 50,782,456,486,492,552
  5. Step 5: Solve for x
    x = 50,782,456,486,492,552/289,694,443.20
  6. Step 6: Final answer
    x = 175,296,619.17

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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.