Home / 233,113,265.92-321,687,873.51-128,689,095.02

Finding the Fourth Proportional to 233,113,265.92, 321,687,873.51 and 128,689,095.02

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Solution

The fourth proportional to 233,113,265.92, 321,687,873.51 and 128,689,095.02 is: 177,586,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,113,265.92 : 321,687,873.51 = 128,689,095.02 : x
  2. Step 2: Convert to fraction form
    233,113,265.92/321,687,873.51 = 128,689,095.02/x
  3. Step 3: Cross multiply
    233,113,265.92x = 321,687,873.51 × 128,689,095.02
  4. Step 4: Simplify right side
    233,113,265.92x = 41,397,721,320,910,128
  5. Step 5: Solve for x
    x = 41,397,721,320,910,128/233,113,265.92
  6. Step 6: Final answer
    x = 177,586,295.48

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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.