Home / 91,149,458.94-125,787,093.80-53,981,853.20

Finding the Fourth Proportional to 91,149,458.94, 125,787,093.80 and 53,981,853.20

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Solution

The fourth proportional to 91,149,458.94, 125,787,093.80 and 53,981,853.20 is: 74,495,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,149,458.94 : 125,787,093.80 = 53,981,853.20 : x
  2. Step 2: Convert to fraction form
    91,149,458.94/125,787,093.80 = 53,981,853.20/x
  3. Step 3: Cross multiply
    91,149,458.94x = 125,787,093.80 × 53,981,853.20
  4. Step 4: Simplify right side
    91,149,458.94x = 6,790,220,431,966,230
  5. Step 5: Solve for x
    x = 6,790,220,431,966,230/91,149,458.94
  6. Step 6: Final answer
    x = 74,495,455.17

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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.