Home / 192,944,856.60-289,328,811.30-85,184,011.80

Finding the Fourth Proportional to 192,944,856.60, 289,328,811.30 and 85,184,011.80

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Solution

The fourth proportional to 192,944,856.60, 289,328,811.30 and 85,184,011.80 is: 127,736,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,944,856.60 : 289,328,811.30 = 85,184,011.80 : x
  2. Step 2: Convert to fraction form
    192,944,856.60/289,328,811.30 = 85,184,011.80/x
  3. Step 3: Cross multiply
    192,944,856.60x = 289,328,811.30 × 85,184,011.80
  4. Step 4: Simplify right side
    192,944,856.60x = 24,646,188,875,859,172
  5. Step 5: Solve for x
    x = 24,646,188,875,859,172/192,944,856.60
  6. Step 6: Final answer
    x = 127,736,957.13

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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.