Home / 132,108,622,490.88-198,081,834,806.86-51,340,018,915.36

Finding the Fourth Proportional to 132,108,622,490.88, 198,081,834,806.86 and 51,340,018,915.36

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Solution

The fourth proportional to 132,108,622,490.88, 198,081,834,806.86 and 51,340,018,915.36 is: 76,978,511,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,108,622,490.88 : 198,081,834,806.86 = 51,340,018,915.36 : x
  2. Step 2: Convert to fraction form
    132,108,622,490.88/198,081,834,806.86 = 51,340,018,915.36/x
  3. Step 3: Cross multiply
    132,108,622,490.88x = 198,081,834,806.86 × 51,340,018,915.36
  4. Step 4: Simplify right side
    132,108,622,490.88x = 10,169,525,145,773,407,207,424
  5. Step 5: Solve for x
    x = 10,169,525,145,773,407,207,424/132,108,622,490.88
  6. Step 6: Final answer
    x = 76,978,511,727.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.