Home / 258,371,342.36-356,612,296.68-170,280,994.40

Finding the Fourth Proportional to 258,371,342.36, 356,612,296.68 and 170,280,994.40

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Solution

The fourth proportional to 258,371,342.36, 356,612,296.68 and 170,280,994.40 is: 235,027,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,371,342.36 : 356,612,296.68 = 170,280,994.40 : x
  2. Step 2: Convert to fraction form
    258,371,342.36/356,612,296.68 = 170,280,994.40/x
  3. Step 3: Cross multiply
    258,371,342.36x = 356,612,296.68 × 170,280,994.40
  4. Step 4: Simplify right side
    258,371,342.36x = 60,724,296,493,938,224
  5. Step 5: Solve for x
    x = 60,724,296,493,938,224/258,371,342.36
  6. Step 6: Final answer
    x = 235,027,212.92

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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.