Home / 233,078,591.56-321,648,407.76-128,656,635.64

Finding the Fourth Proportional to 233,078,591.56, 321,648,407.76 and 128,656,635.64

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Solution

The fourth proportional to 233,078,591.56, 321,648,407.76 and 128,656,635.64 is: 177,546,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,078,591.56 : 321,648,407.76 = 128,656,635.64 : x
  2. Step 2: Convert to fraction form
    233,078,591.56/321,648,407.76 = 128,656,635.64/x
  3. Step 3: Cross multiply
    233,078,591.56x = 321,648,407.76 × 128,656,635.64
  4. Step 4: Simplify right side
    233,078,591.56x = 41,382,202,001,364,464
  5. Step 5: Solve for x
    x = 41,382,202,001,364,464/233,078,591.56
  6. Step 6: Final answer
    x = 177,546,130.36

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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.