Home / 100,014,799.35-150,022,199.03-42,508,946.55

Finding the Fourth Proportional to 100,014,799.35, 150,022,199.03 and 42,508,946.55

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Solution

The fourth proportional to 100,014,799.35, 150,022,199.03 and 42,508,946.55 is: 63,763,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,014,799.35 : 150,022,199.03 = 42,508,946.55 : x
  2. Step 2: Convert to fraction form
    100,014,799.35/150,022,199.03 = 42,508,946.55/x
  3. Step 3: Cross multiply
    100,014,799.35x = 150,022,199.03 × 42,508,946.55
  4. Step 4: Simplify right side
    100,014,799.35x = 6,377,285,639,667,187
  5. Step 5: Solve for x
    x = 6,377,285,639,667,187/100,014,799.35
  6. Step 6: Final answer
    x = 63,763,419.83

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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.