Home / 117,874,548.14-161,488,909.85-113,456,465.51

Finding the Fourth Proportional to 117,874,548.14, 161,488,909.85 and 113,456,465.51

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Solution

The fourth proportional to 117,874,548.14, 161,488,909.85 and 113,456,465.51 is: 155,436,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,874,548.14 : 161,488,909.85 = 113,456,465.51 : x
  2. Step 2: Convert to fraction form
    117,874,548.14/161,488,909.85 = 113,456,465.51/x
  3. Step 3: Cross multiply
    117,874,548.14x = 161,488,909.85 × 113,456,465.51
  4. Step 4: Simplify right side
    117,874,548.14x = 18,321,960,929,269,296
  5. Step 5: Solve for x
    x = 18,321,960,929,269,296/117,874,548.14
  6. Step 6: Final answer
    x = 155,436,107.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.