Home / 141,413,268.71-195,127,825.86-79,521,654.71

Finding the Fourth Proportional to 141,413,268.71, 195,127,825.86 and 79,521,654.71

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Solution

The fourth proportional to 141,413,268.71, 195,127,825.86 and 79,521,654.71 is: 109,727,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,413,268.71 : 195,127,825.86 = 79,521,654.71 : x
  2. Step 2: Convert to fraction form
    141,413,268.71/195,127,825.86 = 79,521,654.71/x
  3. Step 3: Cross multiply
    141,413,268.71x = 195,127,825.86 × 79,521,654.71
  4. Step 4: Simplify right side
    141,413,268.71x = 15,516,887,592,839,750
  5. Step 5: Solve for x
    x = 15,516,887,592,839,750/141,413,268.71
  6. Step 6: Final answer
    x = 109,727,239.42

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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.