Home / 133,204,519.64-199,715,851.88-70,965,139.84

Finding the Fourth Proportional to 133,204,519.64, 199,715,851.88 and 70,965,139.84

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Solution

The fourth proportional to 133,204,519.64, 199,715,851.88 and 70,965,139.84 is: 106,399,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,204,519.64 : 199,715,851.88 = 70,965,139.84 : x
  2. Step 2: Convert to fraction form
    133,204,519.64/199,715,851.88 = 70,965,139.84/x
  3. Step 3: Cross multiply
    133,204,519.64x = 199,715,851.88 × 70,965,139.84
  4. Step 4: Simplify right side
    133,204,519.64x = 14,172,863,356,928,928
  5. Step 5: Solve for x
    x = 14,172,863,356,928,928/133,204,519.64
  6. Step 6: Final answer
    x = 106,399,267.80

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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.