Home / 123,160,272.72-169,961,626.76-66,645,019.11

Finding the Fourth Proportional to 123,160,272.72, 169,961,626.76 and 66,645,019.11

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Solution

The fourth proportional to 123,160,272.72, 169,961,626.76 and 66,645,019.11 is: 91,970,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,160,272.72 : 169,961,626.76 = 66,645,019.11 : x
  2. Step 2: Convert to fraction form
    123,160,272.72/169,961,626.76 = 66,645,019.11/x
  3. Step 3: Cross multiply
    123,160,272.72x = 169,961,626.76 × 66,645,019.11
  4. Step 4: Simplify right side
    123,160,272.72x = 11,327,095,863,691,018
  5. Step 5: Solve for x
    x = 11,327,095,863,691,018/123,160,272.72
  6. Step 6: Final answer
    x = 91,970,370.10

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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.