Home / 150,794,357.54-208,113,063.68-91,288,440.54

Finding the Fourth Proportional to 150,794,357.54, 208,113,063.68 and 91,288,440.54

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Solution

The fourth proportional to 150,794,357.54, 208,113,063.68 and 91,288,440.54 is: 125,988,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,794,357.54 : 208,113,063.68 = 91,288,440.54 : x
  2. Step 2: Convert to fraction form
    150,794,357.54/208,113,063.68 = 91,288,440.54/x
  3. Step 3: Cross multiply
    150,794,357.54x = 208,113,063.68 × 91,288,440.54
  4. Step 4: Simplify right side
    150,794,357.54x = 18,998,317,039,348,916
  5. Step 5: Solve for x
    x = 18,998,317,039,348,916/150,794,357.54
  6. Step 6: Final answer
    x = 125,988,248.83

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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.