Home / 172,188,062.69-258,283,027.16-51,020,564.45

Finding the Fourth Proportional to 172,188,062.69, 258,283,027.16 and 51,020,564.45

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Solution

The fourth proportional to 172,188,062.69, 258,283,027.16 and 51,020,564.45 is: 76,531,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,188,062.69 : 258,283,027.16 = 51,020,564.45 : x
  2. Step 2: Convert to fraction form
    172,188,062.69/258,283,027.16 = 51,020,564.45/x
  3. Step 3: Cross multiply
    172,188,062.69x = 258,283,027.16 × 51,020,564.45
  4. Step 4: Simplify right side
    172,188,062.69x = 13,177,745,833,302,778
  5. Step 5: Solve for x
    x = 13,177,745,833,302,778/172,188,062.69
  6. Step 6: Final answer
    x = 76,531,123.17

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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.