Home / 55,986,072.39-77,293,921.73-49,773,960.78

Finding the Fourth Proportional to 55,986,072.39, 77,293,921.73 and 49,773,960.78

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Solution

The fourth proportional to 55,986,072.39, 77,293,921.73 and 49,773,960.78 is: 68,717,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986,072.39 : 77,293,921.73 = 49,773,960.78 : x
  2. Step 2: Convert to fraction form
    55,986,072.39/77,293,921.73 = 49,773,960.78/x
  3. Step 3: Cross multiply
    55,986,072.39x = 77,293,921.73 × 49,773,960.78
  4. Step 4: Simplify right side
    55,986,072.39x = 3,847,224,628,459,375
  5. Step 5: Solve for x
    x = 3,847,224,628,459,375/55,986,072.39
  6. Step 6: Final answer
    x = 68,717,530.34

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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.