Home / 150,877,694.43-208,213,092.54-91,338,202.17

Finding the Fourth Proportional to 150,877,694.43, 208,213,092.54 and 91,338,202.17

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Solution

The fourth proportional to 150,877,694.43, 208,213,092.54 and 91,338,202.17 is: 126,047,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,877,694.43 : 208,213,092.54 = 91,338,202.17 : x
  2. Step 2: Convert to fraction form
    150,877,694.43/208,213,092.54 = 91,338,202.17/x
  3. Step 3: Cross multiply
    150,877,694.43x = 208,213,092.54 × 91,338,202.17
  4. Step 4: Simplify right side
    150,877,694.43x = 19,017,809,540,859,440
  5. Step 5: Solve for x
    x = 19,017,809,540,859,440/150,877,694.43
  6. Step 6: Final answer
    x = 126,047,853.61

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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.