Home / 109,555,328.20-164,332,992.30-77,704,832.20

Finding the Fourth Proportional to 109,555,328.20, 164,332,992.30 and 77,704,832.20

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Solution

The fourth proportional to 109,555,328.20, 164,332,992.30 and 77,704,832.20 is: 116,557,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,555,328.20 : 164,332,992.30 = 77,704,832.20 : x
  2. Step 2: Convert to fraction form
    109,555,328.20/164,332,992.30 = 77,704,832.20/x
  3. Step 3: Cross multiply
    109,555,328.20x = 164,332,992.30 × 77,704,832.20
  4. Step 4: Simplify right side
    109,555,328.20x = 12,769,467,591,595,394
  5. Step 5: Solve for x
    x = 12,769,467,591,595,394/109,555,328.20
  6. Step 6: Final answer
    x = 116,557,248.30

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1.5x scale

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.