Home / 205,434,224.28-307,958,439.78-69,024,210.84

Finding the Fourth Proportional to 205,434,224.28, 307,958,439.78 and 69,024,210.84

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Solution

The fourth proportional to 205,434,224.28, 307,958,439.78 and 69,024,210.84 is: 103,471,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,434,224.28 : 307,958,439.78 = 69,024,210.84 : x
  2. Step 2: Convert to fraction form
    205,434,224.28/307,958,439.78 = 69,024,210.84/x
  3. Step 3: Cross multiply
    205,434,224.28x = 307,958,439.78 × 69,024,210.84
  4. Step 4: Simplify right side
    205,434,224.28x = 21,256,588,277,332,164
  5. Step 5: Solve for x
    x = 21,256,588,277,332,164/205,434,224.28
  6. Step 6: Final answer
    x = 103,471,504.57

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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.