Home / 227,400,505.39-313,813,642.91-122,978,576.66

Finding the Fourth Proportional to 227,400,505.39, 313,813,642.91 and 122,978,576.66

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Solution

The fourth proportional to 227,400,505.39, 313,813,642.91 and 122,978,576.66 is: 169,710,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,400,505.39 : 313,813,642.91 = 122,978,576.66 : x
  2. Step 2: Convert to fraction form
    227,400,505.39/313,813,642.91 = 122,978,576.66/x
  3. Step 3: Cross multiply
    227,400,505.39x = 313,813,642.91 × 122,978,576.66
  4. Step 4: Simplify right side
    227,400,505.39x = 38,592,355,141,730,936
  5. Step 5: Solve for x
    x = 38,592,355,141,730,936/227,400,505.39
  6. Step 6: Final answer
    x = 169,710,947.11

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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.