Home / 100,939,212.57-151,410,020.36-28,151,564.68

Finding the Fourth Proportional to 100,939,212.57, 151,410,020.36 and 28,151,564.68

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Solution

The fourth proportional to 100,939,212.57, 151,410,020.36 and 28,151,564.68 is: 42,227,682.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,939,212.57 : 151,410,020.36 = 28,151,564.68 : x
  2. Step 2: Convert to fraction form
    100,939,212.57/151,410,020.36 = 28,151,564.68/x
  3. Step 3: Cross multiply
    100,939,212.57x = 151,410,020.36 × 28,151,564.68
  4. Step 4: Simplify right side
    100,939,212.57x = 4,262,428,981,571,655
  5. Step 5: Solve for x
    x = 4,262,428,981,571,655/100,939,212.57
  6. Step 6: Final answer
    x = 42,227,682.12

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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.