Home / 89,361,238.80-123,330,941.28-50,206,043.28

Finding the Fourth Proportional to 89,361,238.80, 123,330,941.28 and 50,206,043.28

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Solution

The fourth proportional to 89,361,238.80, 123,330,941.28 and 50,206,043.28 is: 69,291,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,361,238.80 : 123,330,941.28 = 50,206,043.28 : x
  2. Step 2: Convert to fraction form
    89,361,238.80/123,330,941.28 = 50,206,043.28/x
  3. Step 3: Cross multiply
    89,361,238.80x = 123,330,941.28 × 50,206,043.28
  4. Step 4: Simplify right side
    89,361,238.80x = 6,191,958,575,666,819
  5. Step 5: Solve for x
    x = 6,191,958,575,666,819/89,361,238.80
  6. Step 6: Final answer
    x = 69,291,324.28

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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.