Home / 110,987,940.66-153,152,980.29-66,325,049.43

Finding the Fourth Proportional to 110,987,940.66, 153,152,980.29 and 66,325,049.43

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Solution

The fourth proportional to 110,987,940.66, 153,152,980.29 and 66,325,049.43 is: 91,522,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,987,940.66 : 153,152,980.29 = 66,325,049.43 : x
  2. Step 2: Convert to fraction form
    110,987,940.66/153,152,980.29 = 66,325,049.43/x
  3. Step 3: Cross multiply
    110,987,940.66x = 153,152,980.29 × 66,325,049.43
  4. Step 4: Simplify right side
    110,987,940.66x = 10,157,878,988,086,066
  5. Step 5: Solve for x
    x = 10,157,878,988,086,066/110,987,940.66
  6. Step 6: Final answer
    x = 91,522,366.55

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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.