Home / 99,743,627.81-137,644,902.59-55,691,376.46

Finding the Fourth Proportional to 99,743,627.81, 137,644,902.59 and 55,691,376.46

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Solution

The fourth proportional to 99,743,627.81, 137,644,902.59 and 55,691,376.46 is: 76,853,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,743,627.81 : 137,644,902.59 = 55,691,376.46 : x
  2. Step 2: Convert to fraction form
    99,743,627.81/137,644,902.59 = 55,691,376.46/x
  3. Step 3: Cross multiply
    99,743,627.81x = 137,644,902.59 × 55,691,376.46
  4. Step 4: Simplify right side
    99,743,627.81x = 7,665,634,087,317,151
  5. Step 5: Solve for x
    x = 7,665,634,087,317,151/99,743,627.81
  6. Step 6: Final answer
    x = 76,853,371.54

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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.