Home / 272,541,334.56-376,108,571.88-155,066,661.96

Finding the Fourth Proportional to 272,541,334.56, 376,108,571.88 and 155,066,661.96

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Solution

The fourth proportional to 272,541,334.56, 376,108,571.88 and 155,066,661.96 is: 213,992,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,541,334.56 : 376,108,571.88 = 155,066,661.96 : x
  2. Step 2: Convert to fraction form
    272,541,334.56/376,108,571.88 = 155,066,661.96/x
  3. Step 3: Cross multiply
    272,541,334.56x = 376,108,571.88 × 155,066,661.96
  4. Step 4: Simplify right side
    272,541,334.56x = 58,321,900,775,974,328
  5. Step 5: Solve for x
    x = 58,321,900,775,974,328/272,541,334.56
  6. Step 6: Final answer
    x = 213,992,864.13

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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.