Home / 72,515,843.36-108,880,970.16-48,404,990.24

Finding the Fourth Proportional to 72,515,843.36, 108,880,970.16 and 48,404,990.24

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Solution

The fourth proportional to 72,515,843.36, 108,880,970.16 and 48,404,990.24 is: 72,679,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,515,843.36 : 108,880,970.16 = 48,404,990.24 : x
  2. Step 2: Convert to fraction form
    72,515,843.36/108,880,970.16 = 48,404,990.24/x
  3. Step 3: Cross multiply
    72,515,843.36x = 108,880,970.16 × 48,404,990.24
  4. Step 4: Simplify right side
    72,515,843.36x = 5,270,382,297,916,531
  5. Step 5: Solve for x
    x = 5,270,382,297,916,531/72,515,843.36
  6. Step 6: Final answer
    x = 72,679,045.76

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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.