Home / 90,227,960.82-124,511,364-51,068,896.56

Finding the Fourth Proportional to 90,227,960.82, 124,511,364 and 51,068,896.56

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Solution

The fourth proportional to 90,227,960.82, 124,511,364 and 51,068,896.56 is: 70,473,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227,960.82 : 124,511,364 = 51,068,896.56 : x
  2. Step 2: Convert to fraction form
    90,227,960.82/124,511,364 = 51,068,896.56/x
  3. Step 3: Cross multiply
    90,227,960.82x = 124,511,364 × 51,068,896.56
  4. Step 4: Simplify right side
    90,227,960.82x = 6,358,657,968,660,508
  5. Step 5: Solve for x
    x = 6,358,657,968,660,508/90,227,960.82
  6. Step 6: Final answer
    x = 70,473,253.64

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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.