Home / 100,033,187.79-150,028,786.35-28,212,807.63

Finding the Fourth Proportional to 100,033,187.79, 150,028,786.35 and 28,212,807.63

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Solution

The fourth proportional to 100,033,187.79, 150,028,786.35 and 28,212,807.63 is: 42,313,290.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,033,187.79 : 150,028,786.35 = 28,212,807.63 : x
  2. Step 2: Convert to fraction form
    100,033,187.79/150,028,786.35 = 28,212,807.63/x
  3. Step 3: Cross multiply
    100,033,187.79x = 150,028,786.35 × 28,212,807.63
  4. Step 4: Simplify right side
    100,033,187.79x = 4,232,733,288,254,919.50
  5. Step 5: Solve for x
    x = 4,232,733,288,254,919.50/100,033,187.79
  6. Step 6: Final answer
    x = 42,313,290.04

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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.