Home / 105,891,221.97-158,349,227.60-100,725,615.45

Finding the Fourth Proportional to 105,891,221.97, 158,349,227.60 and 100,725,615.45

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Solution

The fourth proportional to 105,891,221.97, 158,349,227.60 and 100,725,615.45 is: 150,624,604.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,891,221.97 : 158,349,227.60 = 100,725,615.45 : x
  2. Step 2: Convert to fraction form
    105,891,221.97/158,349,227.60 = 100,725,615.45/x
  3. Step 3: Cross multiply
    105,891,221.97x = 158,349,227.60 × 100,725,615.45
  4. Step 4: Simplify right side
    105,891,221.97x = 15,949,823,406,293,940
  5. Step 5: Solve for x
    x = 15,949,823,406,293,940/105,891,221.97
  6. Step 6: Final answer
    x = 150,624,604.28

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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.