Home / 76,128,188.22-105,057,006.21-41,320,886.04

Finding the Fourth Proportional to 76,128,188.22, 105,057,006.21 and 41,320,886.04

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Solution

The fourth proportional to 76,128,188.22, 105,057,006.21 and 41,320,886.04 is: 57,022,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,128,188.22 : 105,057,006.21 = 41,320,886.04 : x
  2. Step 2: Convert to fraction form
    76,128,188.22/105,057,006.21 = 41,320,886.04/x
  3. Step 3: Cross multiply
    76,128,188.22x = 105,057,006.21 × 41,320,886.04
  4. Step 4: Simplify right side
    76,128,188.22x = 4,341,048,581,306,982
  5. Step 5: Solve for x
    x = 4,341,048,581,306,982/76,128,188.22
  6. Step 6: Final answer
    x = 57,022,880.52

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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.