Home / 90,227,958.78-124,511,361.21-51,068,894.54

Finding the Fourth Proportional to 90,227,958.78, 124,511,361.21 and 51,068,894.54

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Solution

The fourth proportional to 90,227,958.78, 124,511,361.21 and 51,068,894.54 is: 70,473,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227,958.78 : 124,511,361.21 = 51,068,894.54 : x
  2. Step 2: Convert to fraction form
    90,227,958.78/124,511,361.21 = 51,068,894.54/x
  3. Step 3: Cross multiply
    90,227,958.78x = 124,511,361.21 × 51,068,894.54
  4. Step 4: Simplify right side
    90,227,958.78x = 6,358,657,574,599,653
  5. Step 5: Solve for x
    x = 6,358,657,574,599,653/90,227,958.78
  6. Step 6: Final answer
    x = 70,473,250.87

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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.