Home / 150,111,514.54-225,312,518.47-72,443,093.74

Finding the Fourth Proportional to 150,111,514.54, 225,312,518.47 and 72,443,093.74

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Solution

The fourth proportional to 150,111,514.54, 225,312,518.47 and 72,443,093.74 is: 108,734,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,111,514.54 : 225,312,518.47 = 72,443,093.74 : x
  2. Step 2: Convert to fraction form
    150,111,514.54/225,312,518.47 = 72,443,093.74/x
  3. Step 3: Cross multiply
    150,111,514.54x = 225,312,518.47 × 72,443,093.74
  4. Step 4: Simplify right side
    150,111,514.54x = 16,322,335,896,317,690
  5. Step 5: Solve for x
    x = 16,322,335,896,317,690/150,111,514.54
  6. Step 6: Final answer
    x = 108,734,735.95

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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.