Home / 233,090,299.52-321,660,739.68-128,665,669.76

Finding the Fourth Proportional to 233,090,299.52, 321,660,739.68 and 128,665,669.76

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Solution

The fourth proportional to 233,090,299.52, 321,660,739.68 and 128,665,669.76 is: 177,556,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,090,299.52 : 321,660,739.68 = 128,665,669.76 : x
  2. Step 2: Convert to fraction form
    233,090,299.52/321,660,739.68 = 128,665,669.76/x
  3. Step 3: Cross multiply
    233,090,299.52x = 321,660,739.68 × 128,665,669.76
  4. Step 4: Simplify right side
    233,090,299.52x = 41,386,694,506,424,208
  5. Step 5: Solve for x
    x = 41,386,694,506,424,208/233,090,299.52
  6. Step 6: Final answer
    x = 177,556,486.01

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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.