Home / 76,623,370.27-105,800,499.52-61,691,261.90

Finding the Fourth Proportional to 76,623,370.27, 105,800,499.52 and 61,691,261.90

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Solution

The fourth proportional to 76,623,370.27, 105,800,499.52 and 61,691,261.90 is: 85,182,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,623,370.27 : 105,800,499.52 = 61,691,261.90 : x
  2. Step 2: Convert to fraction form
    76,623,370.27/105,800,499.52 = 61,691,261.90/x
  3. Step 3: Cross multiply
    76,623,370.27x = 105,800,499.52 × 61,691,261.90
  4. Step 4: Simplify right side
    76,623,370.27x = 6,526,966,324,355,914
  5. Step 5: Solve for x
    x = 6,526,966,324,355,914/76,623,370.27
  6. Step 6: Final answer
    x = 85,182,448.93

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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.