Home / 100,133,634.60-149,976,503.10-82,217,730.60

Finding the Fourth Proportional to 100,133,634.60, 149,976,503.10 and 82,217,730.60

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Solution

The fourth proportional to 100,133,634.60, 149,976,503.10 and 82,217,730.60 is: 123,142,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,133,634.60 : 149,976,503.10 = 82,217,730.60 : x
  2. Step 2: Convert to fraction form
    100,133,634.60/149,976,503.10 = 82,217,730.60/x
  3. Step 3: Cross multiply
    100,133,634.60x = 149,976,503.10 × 82,217,730.60
  4. Step 4: Simplify right side
    100,133,634.60x = 12,330,727,728,205,864
  5. Step 5: Solve for x
    x = 12,330,727,728,205,864/100,133,634.60
  6. Step 6: Final answer
    x = 123,142,716.01

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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.