Home / 51,297,644.31-70,790,975.42-28,092,932.79

Finding the Fourth Proportional to 51,297,644.31, 70,790,975.42 and 28,092,932.79

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Solution

The fourth proportional to 51,297,644.31, 70,790,975.42 and 28,092,932.79 is: 38,768,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,297,644.31 : 70,790,975.42 = 28,092,932.79 : x
  2. Step 2: Convert to fraction form
    51,297,644.31/70,790,975.42 = 28,092,932.79/x
  3. Step 3: Cross multiply
    51,297,644.31x = 70,790,975.42 × 28,092,932.79
  4. Step 4: Simplify right side
    51,297,644.31x = 1,988,726,114,612,602
  5. Step 5: Solve for x
    x = 1,988,726,114,612,602/51,297,644.31
  6. Step 6: Final answer
    x = 38,768,371.17

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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.