Home / 255,218,727.36-352,203,278.04-145,210,440.36

Finding the Fourth Proportional to 255,218,727.36, 352,203,278.04 and 145,210,440.36

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Solution

The fourth proportional to 255,218,727.36, 352,203,278.04 and 145,210,440.36 is: 200,391,223.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,218,727.36 : 352,203,278.04 = 145,210,440.36 : x
  2. Step 2: Convert to fraction form
    255,218,727.36/352,203,278.04 = 145,210,440.36/x
  3. Step 3: Cross multiply
    255,218,727.36x = 352,203,278.04 × 145,210,440.36
  4. Step 4: Simplify right side
    255,218,727.36x = 51,143,593,100,423,928
  5. Step 5: Solve for x
    x = 51,143,593,100,423,928/255,218,727.36
  6. Step 6: Final answer
    x = 200,391,223.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.