Home / 232,735,942.64-321,160,801.32-128,308,306.16

Finding the Fourth Proportional to 232,735,942.64, 321,160,801.32 and 128,308,306.16

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Solution

The fourth proportional to 232,735,942.64, 321,160,801.32 and 128,308,306.16 is: 177,057,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,735,942.64 : 321,160,801.32 = 128,308,306.16 : x
  2. Step 2: Convert to fraction form
    232,735,942.64/321,160,801.32 = 128,308,306.16/x
  3. Step 3: Cross multiply
    232,735,942.64x = 321,160,801.32 × 128,308,306.16
  4. Step 4: Simplify right side
    232,735,942.64x = 41,207,598,422,357,488
  5. Step 5: Solve for x
    x = 41,207,598,422,357,488/232,735,942.64
  6. Step 6: Final answer
    x = 177,057,303.46

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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.