Home / 64,246,137.76-88,620,721.68-38,123,443.36

Finding the Fourth Proportional to 64,246,137.76, 88,620,721.68 and 38,123,443.36

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Solution

The fourth proportional to 64,246,137.76, 88,620,721.68 and 38,123,443.36 is: 52,587,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,246,137.76 : 88,620,721.68 = 38,123,443.36 : x
  2. Step 2: Convert to fraction form
    64,246,137.76/88,620,721.68 = 38,123,443.36/x
  3. Step 3: Cross multiply
    64,246,137.76x = 88,620,721.68 × 38,123,443.36
  4. Step 4: Simplify right side
    64,246,137.76x = 3,378,527,063,489,804.50
  5. Step 5: Solve for x
    x = 3,378,527,063,489,804.50/64,246,137.76
  6. Step 6: Final answer
    x = 52,587,239.97

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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.