Home / 151,146,340,940.47-208,580,710,686.39-82,557,797,770.58

Finding the Fourth Proportional to 151,146,340,940.47, 208,580,710,686.39 and 82,557,797,770.58

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Solution

The fourth proportional to 151,146,340,940.47, 208,580,710,686.39 and 82,557,797,770.58 is: 113,929,083,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,146,340,940.47 : 208,580,710,686.39 = 82,557,797,770.58 : x
  2. Step 2: Convert to fraction form
    151,146,340,940.47/208,580,710,686.39 = 82,557,797,770.58/x
  3. Step 3: Cross multiply
    151,146,340,940.47x = 208,580,710,686.39 × 82,557,797,770.58
  4. Step 4: Simplify right side
    151,146,340,940.47x = 17,219,964,131,689,797,517,312
  5. Step 5: Solve for x
    x = 17,219,964,131,689,797,517,312/151,146,340,940.47
  6. Step 6: Final answer
    x = 113,929,083,724.71

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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.