Home / 50,715,959.72-76,110,261.36-21,590,219.08

Finding the Fourth Proportional to 50,715,959.72, 76,110,261.36 and 21,590,219.08

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Solution

The fourth proportional to 50,715,959.72, 76,110,261.36 and 21,590,219.08 is: 32,400,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,715,959.72 : 76,110,261.36 = 21,590,219.08 : x
  2. Step 2: Convert to fraction form
    50,715,959.72/76,110,261.36 = 21,590,219.08/x
  3. Step 3: Cross multiply
    50,715,959.72x = 76,110,261.36 × 21,590,219.08
  4. Step 4: Simplify right side
    50,715,959.72x = 1,643,237,216,998,458.50
  5. Step 5: Solve for x
    x = 1,643,237,216,998,458.50/50,715,959.72
  6. Step 6: Final answer
    x = 32,400,791.11

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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.