Home / 72,322,183.76-99,746,865.56-47,567,783.44

Finding the Fourth Proportional to 72,322,183.76, 99,746,865.56 and 47,567,783.44

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Solution

The fourth proportional to 72,322,183.76, 99,746,865.56 and 47,567,783.44 is: 65,605,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,322,183.76 : 99,746,865.56 = 47,567,783.44 : x
  2. Step 2: Convert to fraction form
    72,322,183.76/99,746,865.56 = 47,567,783.44/x
  3. Step 3: Cross multiply
    72,322,183.76x = 99,746,865.56 × 47,567,783.44
  4. Step 4: Simplify right side
    72,322,183.76x = 4,744,737,299,776,874
  5. Step 5: Solve for x
    x = 4,744,737,299,776,874/72,322,183.76
  6. Step 6: Final answer
    x = 65,605,559.08

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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.