Home / 101,278,179.08-139,764,028.94-54,868,433.00

Finding the Fourth Proportional to 101,278,179.08, 139,764,028.94 and 54,868,433.00

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Solution

The fourth proportional to 101,278,179.08, 139,764,028.94 and 54,868,433.00 is: 75,718,514.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,278,179.08 : 139,764,028.94 = 54,868,433.00 : x
  2. Step 2: Convert to fraction form
    101,278,179.08/139,764,028.94 = 54,868,433.00/x
  3. Step 3: Cross multiply
    101,278,179.08x = 139,764,028.94 × 54,868,433.00
  4. Step 4: Simplify right side
    101,278,179.08x = 7,668,633,257,492,212
  5. Step 5: Solve for x
    x = 7,668,633,257,492,212/101,278,179.08
  6. Step 6: Final answer
    x = 75,718,514.37

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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.