Home / 123,862,195.44-170,934,213.60-68,111,869.68

Finding the Fourth Proportional to 123,862,195.44, 170,934,213.60 and 68,111,869.68

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Solution

The fourth proportional to 123,862,195.44, 170,934,213.60 and 68,111,869.68 is: 93,996,790.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,862,195.44 : 170,934,213.60 = 68,111,869.68 : x
  2. Step 2: Convert to fraction form
    123,862,195.44/170,934,213.60 = 68,111,869.68/x
  3. Step 3: Cross multiply
    123,862,195.44x = 170,934,213.60 × 68,111,869.68
  4. Step 4: Simplify right side
    123,862,195.44x = 11,642,648,880,576,484
  5. Step 5: Solve for x
    x = 11,642,648,880,576,484/123,862,195.44
  6. Step 6: Final answer
    x = 93,996,790.86

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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.