Home / 102,458,651.79-141,392,516.73-55,415,777.79

Finding the Fourth Proportional to 102,458,651.79, 141,392,516.73 and 55,415,777.79

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Solution

The fourth proportional to 102,458,651.79, 141,392,516.73 and 55,415,777.79 is: 76,473,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,458,651.79 : 141,392,516.73 = 55,415,777.79 : x
  2. Step 2: Convert to fraction form
    102,458,651.79/141,392,516.73 = 55,415,777.79/x
  3. Step 3: Cross multiply
    102,458,651.79x = 141,392,516.73 × 55,415,777.79
  4. Step 4: Simplify right side
    102,458,651.79x = 7,835,376,288,278,537
  5. Step 5: Solve for x
    x = 7,835,376,288,278,537/102,458,651.79
  6. Step 6: Final answer
    x = 76,473,544.71

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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.