Home / 232,577,222.96-320,970,660.52-128,155,167.92

Finding the Fourth Proportional to 232,577,222.96, 320,970,660.52 and 128,155,167.92

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Solution

The fourth proportional to 232,577,222.96, 320,970,660.52 and 128,155,167.92 is: 176,861,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,577,222.96 : 320,970,660.52 = 128,155,167.92 : x
  2. Step 2: Convert to fraction form
    232,577,222.96/320,970,660.52 = 128,155,167.92/x
  3. Step 3: Cross multiply
    232,577,222.96x = 320,970,660.52 × 128,155,167.92
  4. Step 4: Simplify right side
    232,577,222.96x = 41,134,048,896,333,912
  5. Step 5: Solve for x
    x = 41,134,048,896,333,912/232,577,222.96
  6. Step 6: Final answer
    x = 176,861,897.19

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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.