Home / 100,850,832.27-139,177,860.80-56,200,816.71

Finding the Fourth Proportional to 100,850,832.27, 139,177,860.80 and 56,200,816.71

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Solution

The fourth proportional to 100,850,832.27, 139,177,860.80 and 56,200,816.71 is: 77,559,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,850,832.27 : 139,177,860.80 = 56,200,816.71 : x
  2. Step 2: Convert to fraction form
    100,850,832.27/139,177,860.80 = 56,200,816.71/x
  3. Step 3: Cross multiply
    100,850,832.27x = 139,177,860.80 × 56,200,816.71
  4. Step 4: Simplify right side
    100,850,832.27x = 7,821,909,444,629,689
  5. Step 5: Solve for x
    x = 7,821,909,444,629,689/100,850,832.27
  6. Step 6: Final answer
    x = 77,559,195.78

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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.