Home / 110,603,789.30-152,223,700.79-81,188,529.95

Finding the Fourth Proportional to 110,603,789.30, 152,223,700.79 and 81,188,529.95

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Solution

The fourth proportional to 110,603,789.30, 152,223,700.79 and 81,188,529.95 is: 111,739,557.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,603,789.30 : 152,223,700.79 = 81,188,529.95 : x
  2. Step 2: Convert to fraction form
    110,603,789.30/152,223,700.79 = 81,188,529.95/x
  3. Step 3: Cross multiply
    110,603,789.30x = 152,223,700.79 × 81,188,529.95
  4. Step 4: Simplify right side
    110,603,789.30x = 12,358,818,489,521,692
  5. Step 5: Solve for x
    x = 12,358,818,489,521,692/110,603,789.30
  6. Step 6: Final answer
    x = 111,739,557.64

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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.