Home / 123,427,403.51-170,328,912.08-67,671,904.92

Finding the Fourth Proportional to 123,427,403.51, 170,328,912.08 and 67,671,904.92

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Solution

The fourth proportional to 123,427,403.51, 170,328,912.08 and 67,671,904.92 is: 93,386,732.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,427,403.51 : 170,328,912.08 = 67,671,904.92 : x
  2. Step 2: Convert to fraction form
    123,427,403.51/170,328,912.08 = 67,671,904.92/x
  3. Step 3: Cross multiply
    123,427,403.51x = 170,328,912.08 × 67,671,904.92
  4. Step 4: Simplify right side
    123,427,403.51x = 11,526,481,942,427,706
  5. Step 5: Solve for x
    x = 11,526,481,942,427,706/123,427,403.51
  6. Step 6: Final answer
    x = 93,386,732.73

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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.