Home / 100,102,449.71-150,098,936.72-79,485,325.95

Finding the Fourth Proportional to 100,102,449.71, 150,098,936.72 and 79,485,325.95

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Solution

The fourth proportional to 100,102,449.71, 150,098,936.72 and 79,485,325.95 is: 119,184,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,102,449.71 : 150,098,936.72 = 79,485,325.95 : x
  2. Step 2: Convert to fraction form
    100,102,449.71/150,098,936.72 = 79,485,325.95/x
  3. Step 3: Cross multiply
    100,102,449.71x = 150,098,936.72 × 79,485,325.95
  4. Step 4: Simplify right side
    100,102,449.71x = 11,930,662,909,060,982
  5. Step 5: Solve for x
    x = 11,930,662,909,060,982/100,102,449.71
  6. Step 6: Final answer
    x = 119,184,524.89

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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.