Home / 615,693,945.36-923,540,917.11-155,632,114.65

Finding the Fourth Proportional to 615,693,945.36, 923,540,917.11 and 155,632,114.65

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Solution

The fourth proportional to 615,693,945.36, 923,540,917.11 and 155,632,114.65 is: 233,448,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,693,945.36 : 923,540,917.11 = 155,632,114.65 : x
  2. Step 2: Convert to fraction form
    615,693,945.36/923,540,917.11 = 155,632,114.65/x
  3. Step 3: Cross multiply
    615,693,945.36x = 923,540,917.11 × 155,632,114.65
  4. Step 4: Simplify right side
    615,693,945.36x = 143,732,625,895,629,680
  5. Step 5: Solve for x
    x = 143,732,625,895,629,680/615,693,945.36
  6. Step 6: Final answer
    x = 233,448,171.74

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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.