Home / 232,738,572.35-321,485,812.92-172,509,663.59

Finding the Fourth Proportional to 232,738,572.35, 321,485,812.92 and 172,509,663.59

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Solution

The fourth proportional to 232,738,572.35, 321,485,812.92 and 172,509,663.59 is: 238,290,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,738,572.35 : 321,485,812.92 = 172,509,663.59 : x
  2. Step 2: Convert to fraction form
    232,738,572.35/321,485,812.92 = 172,509,663.59/x
  3. Step 3: Cross multiply
    232,738,572.35x = 321,485,812.92 × 172,509,663.59
  4. Step 4: Simplify right side
    232,738,572.35x = 55,459,409,434,179,456
  5. Step 5: Solve for x
    x = 55,459,409,434,179,456/232,738,572.35
  6. Step 6: Final answer
    x = 238,290,580.18

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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.