Home / 123,259,731.88-170,098,489.62-67,508,658.51

Finding the Fourth Proportional to 123,259,731.88, 170,098,489.62 and 67,508,658.51

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Solution

The fourth proportional to 123,259,731.88, 170,098,489.62 and 67,508,658.51 is: 93,161,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,259,731.88 : 170,098,489.62 = 67,508,658.51 : x
  2. Step 2: Convert to fraction form
    123,259,731.88/170,098,489.62 = 67,508,658.51/x
  3. Step 3: Cross multiply
    123,259,731.88x = 170,098,489.62 × 67,508,658.51
  4. Step 4: Simplify right side
    123,259,731.88x = 11,483,120,848,823,360
  5. Step 5: Solve for x
    x = 11,483,120,848,823,360/123,259,731.88
  6. Step 6: Final answer
    x = 93,161,981.40

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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.