Home / 100,033,184.92-150,028,781.88-28,212,804.76

Finding the Fourth Proportional to 100,033,184.92, 150,028,781.88 and 28,212,804.76

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Solution

The fourth proportional to 100,033,184.92, 150,028,781.88 and 28,212,804.76 is: 42,313,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,033,184.92 : 150,028,781.88 = 28,212,804.76 : x
  2. Step 2: Convert to fraction form
    100,033,184.92/150,028,781.88 = 28,212,804.76/x
  3. Step 3: Cross multiply
    100,033,184.92x = 150,028,781.88 × 28,212,804.76
  4. Step 4: Simplify right side
    100,033,184.92x = 4,232,732,731,561,066
  5. Step 5: Solve for x
    x = 4,232,732,731,561,066/100,033,184.92
  6. Step 6: Final answer
    x = 42,313,285.69

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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.