Home / 172,741,258.78-259,111,888.15-57,725,801.11

Finding the Fourth Proportional to 172,741,258.78, 259,111,888.15 and 57,725,801.11

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Solution

The fourth proportional to 172,741,258.78, 259,111,888.15 and 57,725,801.11 is: 86,588,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,741,258.78 : 259,111,888.15 = 57,725,801.11 : x
  2. Step 2: Convert to fraction form
    172,741,258.78/259,111,888.15 = 57,725,801.11/x
  3. Step 3: Cross multiply
    172,741,258.78x = 259,111,888.15 × 57,725,801.11
  4. Step 4: Simplify right side
    172,741,258.78x = 14,957,441,320,870,988
  5. Step 5: Solve for x
    x = 14,957,441,320,870,988/172,741,258.78
  6. Step 6: Final answer
    x = 86,588,701.66

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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.