Home / 50,485,646.73-69,658,326.41-30,638,972.21

Finding the Fourth Proportional to 50,485,646.73, 69,658,326.41 and 30,638,972.21

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Solution

The fourth proportional to 50,485,646.73, 69,658,326.41 and 30,638,972.21 is: 42,274,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,485,646.73 : 69,658,326.41 = 30,638,972.21 : x
  2. Step 2: Convert to fraction form
    50,485,646.73/69,658,326.41 = 30,638,972.21/x
  3. Step 3: Cross multiply
    50,485,646.73x = 69,658,326.41 × 30,638,972.21
  4. Step 4: Simplify right side
    50,485,646.73x = 2,134,259,526,722,807.25
  5. Step 5: Solve for x
    x = 2,134,259,526,722,807.25/50,485,646.73
  6. Step 6: Final answer
    x = 42,274,580.30

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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.