Home / 117,636,286.79-176,293,003.34-74,428,140.58

Finding the Fourth Proportional to 117,636,286.79, 176,293,003.34 and 74,428,140.58

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Solution

The fourth proportional to 117,636,286.79, 176,293,003.34 and 74,428,140.58 is: 111,540,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636,286.79 : 176,293,003.34 = 74,428,140.58 : x
  2. Step 2: Convert to fraction form
    117,636,286.79/176,293,003.34 = 74,428,140.58/x
  3. Step 3: Cross multiply
    117,636,286.79x = 176,293,003.34 × 74,428,140.58
  4. Step 4: Simplify right side
    117,636,286.79x = 13,121,160,436,701,860
  5. Step 5: Solve for x
    x = 13,121,160,436,701,860/117,636,286.79
  6. Step 6: Final answer
    x = 111,540,076.58

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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.