Home / 100,033,180.92-150,028,775.88-28,212,800.76

Finding the Fourth Proportional to 100,033,180.92, 150,028,775.88 and 28,212,800.76

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Solution

The fourth proportional to 100,033,180.92, 150,028,775.88 and 28,212,800.76 is: 42,313,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,033,180.92 : 150,028,775.88 = 28,212,800.76 : x
  2. Step 2: Convert to fraction form
    100,033,180.92/150,028,775.88 = 28,212,800.76/x
  3. Step 3: Cross multiply
    100,033,180.92x = 150,028,775.88 × 28,212,800.76
  4. Step 4: Simplify right side
    100,033,180.92x = 4,232,731,962,169,134
  5. Step 5: Solve for x
    x = 4,232,731,962,169,134/100,033,180.92
  6. Step 6: Final answer
    x = 42,313,279.69

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1.5x scale

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.