Home / 117,101,255.70-161,600,681.68-64,891,163.46

Finding the Fourth Proportional to 117,101,255.70, 161,600,681.68 and 64,891,163.46

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Solution

The fourth proportional to 117,101,255.70, 161,600,681.68 and 64,891,163.46 is: 89,550,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101,255.70 : 161,600,681.68 = 64,891,163.46 : x
  2. Step 2: Convert to fraction form
    117,101,255.70/161,600,681.68 = 64,891,163.46/x
  3. Step 3: Cross multiply
    117,101,255.70x = 161,600,681.68 × 64,891,163.46
  4. Step 4: Simplify right side
    117,101,255.70x = 10,486,456,250,144,308
  5. Step 5: Solve for x
    x = 10,486,456,250,144,308/117,101,255.70
  6. Step 6: Final answer
    x = 89,550,331.36

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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.