Home / 123,861,930.83-170,934,389.45-68,111,921.92

Finding the Fourth Proportional to 123,861,930.83, 170,934,389.45 and 68,111,921.92

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Solution

The fourth proportional to 123,861,930.83, 170,934,389.45 and 68,111,921.92 is: 93,997,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,861,930.83 : 170,934,389.45 = 68,111,921.92 : x
  2. Step 2: Convert to fraction form
    123,861,930.83/170,934,389.45 = 68,111,921.92/x
  3. Step 3: Cross multiply
    123,861,930.83x = 170,934,389.45 × 68,111,921.92
  4. Step 4: Simplify right side
    123,861,930.83x = 11,642,669,787,404,216
  5. Step 5: Solve for x
    x = 11,642,669,787,404,216/123,861,930.83
  6. Step 6: Final answer
    x = 93,997,160.46

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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.