Home / 90,322,368.71-124,647,422.94-51,164,133.71

Finding the Fourth Proportional to 90,322,368.71, 124,647,422.94 and 51,164,133.71

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Solution

The fourth proportional to 90,322,368.71, 124,647,422.94 and 51,164,133.71 is: 70,607,951.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,322,368.71 : 124,647,422.94 = 51,164,133.71 : x
  2. Step 2: Convert to fraction form
    90,322,368.71/124,647,422.94 = 51,164,133.71/x
  3. Step 3: Cross multiply
    90,322,368.71x = 124,647,422.94 × 51,164,133.71
  4. Step 4: Simplify right side
    90,322,368.71x = 6,377,477,413,285,844
  5. Step 5: Solve for x
    x = 6,377,477,413,285,844/90,322,368.71
  6. Step 6: Final answer
    x = 70,607,951.33

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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.