Home / 207,663,010.77-311,470,721.60-54,323,867.73

Finding the Fourth Proportional to 207,663,010.77, 311,470,721.60 and 54,323,867.73

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Solution

The fourth proportional to 207,663,010.77, 311,470,721.60 and 54,323,867.73 is: 81,479,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,663,010.77 : 311,470,721.60 = 54,323,867.73 : x
  2. Step 2: Convert to fraction form
    207,663,010.77/311,470,721.60 = 54,323,867.73/x
  3. Step 3: Cross multiply
    207,663,010.77x = 311,470,721.60 × 54,323,867.73
  4. Step 4: Simplify right side
    207,663,010.77x = 16,920,294,281,694,436
  5. Step 5: Solve for x
    x = 16,920,294,281,694,436/207,663,010.77
  6. Step 6: Final answer
    x = 81,479,577.03

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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.