Home / 172,188,063.57-258,283,028.47-51,020,565.33

Finding the Fourth Proportional to 172,188,063.57, 258,283,028.47 and 51,020,565.33

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Solution

The fourth proportional to 172,188,063.57, 258,283,028.47 and 51,020,565.33 is: 76,531,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,188,063.57 : 258,283,028.47 = 51,020,565.33 : x
  2. Step 2: Convert to fraction form
    172,188,063.57/258,283,028.47 = 51,020,565.33/x
  3. Step 3: Cross multiply
    172,188,063.57x = 258,283,028.47 × 51,020,565.33
  4. Step 4: Simplify right side
    172,188,063.57x = 13,177,746,127,683,884
  5. Step 5: Solve for x
    x = 13,177,746,127,683,884/172,188,063.57
  6. Step 6: Final answer
    x = 76,531,124.48

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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.