Home / 88,340,757.78-121,906,313.17-50,636,891.67

Finding the Fourth Proportional to 88,340,757.78, 121,906,313.17 and 50,636,891.67

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Solution

The fourth proportional to 88,340,757.78, 121,906,313.17 and 50,636,891.67 is: 69,876,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,340,757.78 : 121,906,313.17 = 50,636,891.67 : x
  2. Step 2: Convert to fraction form
    88,340,757.78/121,906,313.17 = 50,636,891.67/x
  3. Step 3: Cross multiply
    88,340,757.78x = 121,906,313.17 × 50,636,891.67
  4. Step 4: Simplify right side
    88,340,757.78x = 6,172,956,773,878,385
  5. Step 5: Solve for x
    x = 6,172,956,773,878,385/88,340,757.78
  6. Step 6: Final answer
    x = 69,876,656.36

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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.