Home / 47,954,172.74-66,182,819.40-31,448,183.90

Finding the Fourth Proportional to 47,954,172.74, 66,182,819.40 and 31,448,183.90

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Solution

The fourth proportional to 47,954,172.74, 66,182,819.40 and 31,448,183.90 is: 43,402,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,954,172.74 : 66,182,819.40 = 31,448,183.90 : x
  2. Step 2: Convert to fraction form
    47,954,172.74/66,182,819.40 = 31,448,183.90/x
  3. Step 3: Cross multiply
    47,954,172.74x = 66,182,819.40 × 31,448,183.90
  4. Step 4: Simplify right side
    47,954,172.74x = 2,081,329,475,180,773.50
  5. Step 5: Solve for x
    x = 2,081,329,475,180,773.50/47,954,172.74
  6. Step 6: Final answer
    x = 43,402,468.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.