Home / 172,188,063.19-258,283,027.91-51,020,564.95

Finding the Fourth Proportional to 172,188,063.19, 258,283,027.91 and 51,020,564.95

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Solution

The fourth proportional to 172,188,063.19, 258,283,027.91 and 51,020,564.95 is: 76,531,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,188,063.19 : 258,283,027.91 = 51,020,564.95 : x
  2. Step 2: Convert to fraction form
    172,188,063.19/258,283,027.91 = 51,020,564.95/x
  3. Step 3: Cross multiply
    172,188,063.19x = 258,283,027.91 × 51,020,564.95
  4. Step 4: Simplify right side
    172,188,063.19x = 13,177,746,000,964,818
  5. Step 5: Solve for x
    x = 13,177,746,000,964,818/172,188,063.19
  6. Step 6: Final answer
    x = 76,531,123.92

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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.