Home / 100,014,789.60-150,022,184.40-42,508,936.80

Finding the Fourth Proportional to 100,014,789.60, 150,022,184.40 and 42,508,936.80

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Solution

The fourth proportional to 100,014,789.60, 150,022,184.40 and 42,508,936.80 is: 63,763,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,014,789.60 : 150,022,184.40 = 42,508,936.80 : x
  2. Step 2: Convert to fraction form
    100,014,789.60/150,022,184.40 = 42,508,936.80/x
  3. Step 3: Cross multiply
    100,014,789.60x = 150,022,184.40 × 42,508,936.80
  4. Step 4: Simplify right side
    100,014,789.60x = 6,377,283,555,257,546
  5. Step 5: Solve for x
    x = 6,377,283,555,257,546/100,014,789.60
  6. Step 6: Final answer
    x = 63,763,405.20

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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.