Home / 100,635,401.18-150,928,169.96-43,121,150.30

Finding the Fourth Proportional to 100,635,401.18, 150,928,169.96 and 43,121,150.30

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Solution

The fourth proportional to 100,635,401.18, 150,928,169.96 and 43,121,150.30 is: 64,671,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,635,401.18 : 150,928,169.96 = 43,121,150.30 : x
  2. Step 2: Convert to fraction form
    100,635,401.18/150,928,169.96 = 43,121,150.30/x
  3. Step 3: Cross multiply
    100,635,401.18x = 150,928,169.96 × 43,121,150.30
  4. Step 4: Simplify right side
    100,635,401.18x = 6,508,196,300,378,859
  5. Step 5: Solve for x
    x = 6,508,196,300,378,859/100,635,401.18
  6. Step 6: Final answer
    x = 64,671,042.44

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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.