Home / 131,675,891.12-197,523,284.56-45,413,029.52

Finding the Fourth Proportional to 131,675,891.12, 197,523,284.56 and 45,413,029.52

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Solution

The fourth proportional to 131,675,891.12, 197,523,284.56 and 45,413,029.52 is: 68,122,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,675,891.12 : 197,523,284.56 = 45,413,029.52 : x
  2. Step 2: Convert to fraction form
    131,675,891.12/197,523,284.56 = 45,413,029.52/x
  3. Step 3: Cross multiply
    131,675,891.12x = 197,523,284.56 × 45,413,029.52
  4. Step 4: Simplify right side
    131,675,891.12x = 8,970,130,752,610,641
  5. Step 5: Solve for x
    x = 8,970,130,752,610,641/131,675,891.12
  6. Step 6: Final answer
    x = 68,122,802.71

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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.