Home / 30,299,043.30-45,448,564.95-20,733,105.30

Finding the Fourth Proportional to 30,299,043.30, 45,448,564.95 and 20,733,105.30

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Solution

The fourth proportional to 30,299,043.30, 45,448,564.95 and 20,733,105.30 is: 31,099,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299,043.30 : 45,448,564.95 = 20,733,105.30 : x
  2. Step 2: Convert to fraction form
    30,299,043.30/45,448,564.95 = 20,733,105.30/x
  3. Step 3: Cross multiply
    30,299,043.30x = 45,448,564.95 × 20,733,105.30
  4. Step 4: Simplify right side
    30,299,043.30x = 942,289,882,842,239.38
  5. Step 5: Solve for x
    x = 942,289,882,842,239.38/30,299,043.30
  6. Step 6: Final answer
    x = 31,099,657.95

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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.