Home / 134,661,832.33-185,833,244.64-72,782,170.89

Finding the Fourth Proportional to 134,661,832.33, 185,833,244.64 and 72,782,170.89

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Solution

The fourth proportional to 134,661,832.33, 185,833,244.64 and 72,782,170.89 is: 100,439,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,661,832.33 : 185,833,244.64 = 72,782,170.89 : x
  2. Step 2: Convert to fraction form
    134,661,832.33/185,833,244.64 = 72,782,170.89/x
  3. Step 3: Cross multiply
    134,661,832.33x = 185,833,244.64 × 72,782,170.89
  4. Step 4: Simplify right side
    134,661,832.33x = 13,525,346,968,431,656
  5. Step 5: Solve for x
    x = 13,525,346,968,431,656/134,661,832.33
  6. Step 6: Final answer
    x = 100,439,350.44

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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.