Home / 92,836,321.38-128,106,618.75-53,680,637.70

Finding the Fourth Proportional to 92,836,321.38, 128,106,618.75 and 53,680,637.70

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Solution

The fourth proportional to 92,836,321.38, 128,106,618.75 and 53,680,637.70 is: 74,074,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,836,321.38 : 128,106,618.75 = 53,680,637.70 : x
  2. Step 2: Convert to fraction form
    92,836,321.38/128,106,618.75 = 53,680,637.70/x
  3. Step 3: Cross multiply
    92,836,321.38x = 128,106,618.75 × 53,680,637.70
  4. Step 4: Simplify right side
    92,836,321.38x = 6,876,844,988,090,777
  5. Step 5: Solve for x
    x = 6,876,844,988,090,777/92,836,321.38
  6. Step 6: Final answer
    x = 74,074,940.56

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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.