Home / 137,945,117.40-206,917,676.10-122,418,000.60

Finding the Fourth Proportional to 137,945,117.40, 206,917,676.10 and 122,418,000.60

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Solution

The fourth proportional to 137,945,117.40, 206,917,676.10 and 122,418,000.60 is: 183,627,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,945,117.40 : 206,917,676.10 = 122,418,000.60 : x
  2. Step 2: Convert to fraction form
    137,945,117.40/206,917,676.10 = 122,418,000.60/x
  3. Step 3: Cross multiply
    137,945,117.40x = 206,917,676.10 × 122,418,000.60
  4. Step 4: Simplify right side
    137,945,117.40x = 25,330,448,196,960,404
  5. Step 5: Solve for x
    x = 25,330,448,196,960,404/137,945,117.40
  6. Step 6: Final answer
    x = 183,627,000.90

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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.