Home / 107,835,110.70-161,752,666.05-77,224,109.10

Finding the Fourth Proportional to 107,835,110.70, 161,752,666.05 and 77,224,109.10

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Solution

The fourth proportional to 107,835,110.70, 161,752,666.05 and 77,224,109.10 is: 115,836,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,835,110.70 : 161,752,666.05 = 77,224,109.10 : x
  2. Step 2: Convert to fraction form
    107,835,110.70/161,752,666.05 = 77,224,109.10/x
  3. Step 3: Cross multiply
    107,835,110.70x = 161,752,666.05 × 77,224,109.10
  4. Step 4: Simplify right side
    107,835,110.70x = 12,491,205,530,261,066
  5. Step 5: Solve for x
    x = 12,491,205,530,261,066/107,835,110.70
  6. Step 6: Final answer
    x = 115,836,163.65

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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.