Home / 91,428,258.44-137,133,989.42-30,844,509.32

Finding the Fourth Proportional to 91,428,258.44, 137,133,989.42 and 30,844,509.32

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Solution

The fourth proportional to 91,428,258.44, 137,133,989.42 and 30,844,509.32 is: 46,263,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,428,258.44 : 137,133,989.42 = 30,844,509.32 : x
  2. Step 2: Convert to fraction form
    91,428,258.44/137,133,989.42 = 30,844,509.32/x
  3. Step 3: Cross multiply
    91,428,258.44x = 137,133,989.42 × 30,844,509.32
  4. Step 4: Simplify right side
    91,428,258.44x = 4,229,830,614,753,971
  5. Step 5: Solve for x
    x = 4,229,830,614,753,971/91,428,258.44
  6. Step 6: Final answer
    x = 46,263,930.72

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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.