Home / 131,711,010.60-197,489,936.92-49,836,203.28

Finding the Fourth Proportional to 131,711,010.60, 197,489,936.92 and 49,836,203.28

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Solution

The fourth proportional to 131,711,010.60, 197,489,936.92 and 49,836,203.28 is: 74,725,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,711,010.60 : 197,489,936.92 = 49,836,203.28 : x
  2. Step 2: Convert to fraction form
    131,711,010.60/197,489,936.92 = 49,836,203.28/x
  3. Step 3: Cross multiply
    131,711,010.60x = 197,489,936.92 × 49,836,203.28
  4. Step 4: Simplify right side
    131,711,010.60x = 9,842,148,642,099,496
  5. Step 5: Solve for x
    x = 9,842,148,642,099,496/131,711,010.60
  6. Step 6: Final answer
    x = 74,725,329.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.