Home / 232,735,956.64-321,160,820.64-128,308,320.16

Finding the Fourth Proportional to 232,735,956.64, 321,160,820.64 and 128,308,320.16

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Solution

The fourth proportional to 232,735,956.64, 321,160,820.64 and 128,308,320.16 is: 177,057,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,735,956.64 : 321,160,820.64 = 128,308,320.16 : x
  2. Step 2: Convert to fraction form
    232,735,956.64/321,160,820.64 = 128,308,320.16/x
  3. Step 3: Cross multiply
    232,735,956.64x = 321,160,820.64 × 128,308,320.16
  4. Step 4: Simplify right side
    232,735,956.64x = 41,207,605,397,525,456
  5. Step 5: Solve for x
    x = 41,207,605,397,525,456/232,735,956.64
  6. Step 6: Final answer
    x = 177,057,322.78

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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.