Home / 258,530,063.52-356,881,572.76-173,806,319.12

Finding the Fourth Proportional to 258,530,063.52, 356,881,572.76 and 173,806,319.12

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Solution

The fourth proportional to 258,530,063.52, 356,881,572.76 and 173,806,319.12 is: 239,926,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,530,063.52 : 356,881,572.76 = 173,806,319.12 : x
  2. Step 2: Convert to fraction form
    258,530,063.52/356,881,572.76 = 173,806,319.12/x
  3. Step 3: Cross multiply
    258,530,063.52x = 356,881,572.76 × 173,806,319.12
  4. Step 4: Simplify right side
    258,530,063.52x = 62,028,272,523,172,056
  5. Step 5: Solve for x
    x = 62,028,272,523,172,056/258,530,063.52
  6. Step 6: Final answer
    x = 239,926,729.13

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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.