Home / 123,259,731.63-170,098,489.28-67,508,658.26

Finding the Fourth Proportional to 123,259,731.63, 170,098,489.28 and 67,508,658.26

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Solution

The fourth proportional to 123,259,731.63, 170,098,489.28 and 67,508,658.26 is: 93,161,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,259,731.63 : 170,098,489.28 = 67,508,658.26 : x
  2. Step 2: Convert to fraction form
    123,259,731.63/170,098,489.28 = 67,508,658.26/x
  3. Step 3: Cross multiply
    123,259,731.63x = 170,098,489.28 × 67,508,658.26
  4. Step 4: Simplify right side
    123,259,731.63x = 11,483,120,782,157,758
  5. Step 5: Solve for x
    x = 11,483,120,782,157,758/123,259,731.63
  6. Step 6: Final answer
    x = 93,161,981.05

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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.