Home / 151,901,157.92-209,624,239.71-82,286,538.57

Finding the Fourth Proportional to 151,901,157.92, 209,624,239.71 and 82,286,538.57

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Solution

The fourth proportional to 151,901,157.92, 209,624,239.71 and 82,286,538.57 is: 113,555,770.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,901,157.92 : 209,624,239.71 = 82,286,538.57 : x
  2. Step 2: Convert to fraction form
    151,901,157.92/209,624,239.71 = 82,286,538.57/x
  3. Step 3: Cross multiply
    151,901,157.92x = 209,624,239.71 × 82,286,538.57
  4. Step 4: Simplify right side
    151,901,157.92x = 17,249,253,086,103,840
  5. Step 5: Solve for x
    x = 17,249,253,086,103,840/151,901,157.92
  6. Step 6: Final answer
    x = 113,555,770.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.