Home / 118,942,578.19-178,422,466.30-49,785,828.71

Finding the Fourth Proportional to 118,942,578.19, 178,422,466.30 and 49,785,828.71

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Solution

The fourth proportional to 118,942,578.19, 178,422,466.30 and 49,785,828.71 is: 74,682,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,942,578.19 : 178,422,466.30 = 49,785,828.71 : x
  2. Step 2: Convert to fraction form
    118,942,578.19/178,422,466.30 = 49,785,828.71/x
  3. Step 3: Cross multiply
    118,942,578.19x = 178,422,466.30 × 49,785,828.71
  4. Step 4: Simplify right side
    118,942,578.19x = 8,882,910,344,210,971
  5. Step 5: Solve for x
    x = 8,882,910,344,210,971/118,942,578.19
  6. Step 6: Final answer
    x = 74,682,342.35

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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.