Home / 233,090,297.52-321,660,736.92-128,665,667.76

Finding the Fourth Proportional to 233,090,297.52, 321,660,736.92 and 128,665,667.76

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Solution

The fourth proportional to 233,090,297.52, 321,660,736.92 and 128,665,667.76 is: 177,556,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,090,297.52 : 321,660,736.92 = 128,665,667.76 : x
  2. Step 2: Convert to fraction form
    233,090,297.52/321,660,736.92 = 128,665,667.76/x
  3. Step 3: Cross multiply
    233,090,297.52x = 321,660,736.92 × 128,665,667.76
  4. Step 4: Simplify right side
    233,090,297.52x = 41,386,693,507,985,488
  5. Step 5: Solve for x
    x = 41,386,693,507,985,488/233,090,297.52
  6. Step 6: Final answer
    x = 177,556,483.25

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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.