Home / 128,311,688.40-192,467,532.60-37,444,462.80

Finding the Fourth Proportional to 128,311,688.40, 192,467,532.60 and 37,444,462.80

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Solution

The fourth proportional to 128,311,688.40, 192,467,532.60 and 37,444,462.80 is: 56,166,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,311,688.40 : 192,467,532.60 = 37,444,462.80 : x
  2. Step 2: Convert to fraction form
    128,311,688.40/192,467,532.60 = 37,444,462.80/x
  3. Step 3: Cross multiply
    128,311,688.40x = 192,467,532.60 × 37,444,462.80
  4. Step 4: Simplify right side
    128,311,688.40x = 7,206,843,364,648,486
  5. Step 5: Solve for x
    x = 7,206,843,364,648,486/128,311,688.40
  6. Step 6: Final answer
    x = 56,166,694.20

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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.