Home / 159,276,631,676.48-219,801,839,897.76-86,032,862,043.20

Finding the Fourth Proportional to 159,276,631,676.48, 219,801,839,897.76 and 86,032,862,043.20

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Solution

The fourth proportional to 159,276,631,676.48, 219,801,839,897.76 and 86,032,862,043.20 is: 118,725,397,252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,276,631,676.48 : 219,801,839,897.76 = 86,032,862,043.20 : x
  2. Step 2: Convert to fraction form
    159,276,631,676.48/219,801,839,897.76 = 86,032,862,043.20/x
  3. Step 3: Cross multiply
    159,276,631,676.48x = 219,801,839,897.76 × 86,032,862,043.20
  4. Step 4: Simplify right side
    159,276,631,676.48x = 18,910,181,368,765,521,854,464
  5. Step 5: Solve for x
    x = 18,910,181,368,765,521,854,464/159,276,631,676.48
  6. Step 6: Final answer
    x = 118,725,397,252.09

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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.