Home / 123,008,722.82-169,752,342.86-67,257,740.96

Finding the Fourth Proportional to 123,008,722.82, 169,752,342.86 and 67,257,740.96

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Solution

The fourth proportional to 123,008,722.82, 169,752,342.86 and 67,257,740.96 is: 92,815,849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008,722.82 : 169,752,342.86 = 67,257,740.96 : x
  2. Step 2: Convert to fraction form
    123,008,722.82/169,752,342.86 = 67,257,740.96/x
  3. Step 3: Cross multiply
    123,008,722.82x = 169,752,342.86 × 67,257,740.96
  4. Step 4: Simplify right side
    123,008,722.82x = 11,417,159,103,430,986
  5. Step 5: Solve for x
    x = 11,417,159,103,430,986/123,008,722.82
  6. Step 6: Final answer
    x = 92,815,849.49

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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.