Home / 123,601,205.12-170,569,849.91-67,085,971.29

Finding the Fourth Proportional to 123,601,205.12, 170,569,849.91 and 67,085,971.29

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Solution

The fourth proportional to 123,601,205.12, 170,569,849.91 and 67,085,971.29 is: 92,578,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,601,205.12 : 170,569,849.91 = 67,085,971.29 : x
  2. Step 2: Convert to fraction form
    123,601,205.12/170,569,849.91 = 67,085,971.29/x
  3. Step 3: Cross multiply
    123,601,205.12x = 170,569,849.91 × 67,085,971.29
  4. Step 4: Simplify right side
    123,601,205.12x = 11,442,844,053,666,440
  5. Step 5: Solve for x
    x = 11,442,844,053,666,440/123,601,205.12
  6. Step 6: Final answer
    x = 92,578,741.79

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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.