Home / 233,113,266.54-321,687,874.37-128,689,095.65

Finding the Fourth Proportional to 233,113,266.54, 321,687,874.37 and 128,689,095.65

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Solution

The fourth proportional to 233,113,266.54, 321,687,874.37 and 128,689,095.65 is: 177,586,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,113,266.54 : 321,687,874.37 = 128,689,095.65 : x
  2. Step 2: Convert to fraction form
    233,113,266.54/321,687,874.37 = 128,689,095.65/x
  3. Step 3: Cross multiply
    233,113,266.54x = 321,687,874.37 × 128,689,095.65
  4. Step 4: Simplify right side
    233,113,266.54x = 41,397,721,632,959,392
  5. Step 5: Solve for x
    x = 41,397,721,632,959,392/233,113,266.54
  6. Step 6: Final answer
    x = 177,586,296.34

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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.