Home / 76,125,651.66-105,053,133.60-41,318,340.30

Finding the Fourth Proportional to 76,125,651.66, 105,053,133.60 and 41,318,340.30

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Solution

The fourth proportional to 76,125,651.66, 105,053,133.60 and 41,318,340.30 is: 57,019,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,125,651.66 : 105,053,133.60 = 41,318,340.30 : x
  2. Step 2: Convert to fraction form
    76,125,651.66/105,053,133.60 = 41,318,340.30/x
  3. Step 3: Cross multiply
    76,125,651.66x = 105,053,133.60 × 41,318,340.30
  4. Step 4: Simplify right side
    76,125,651.66x = 4,340,621,123,666,163.50
  5. Step 5: Solve for x
    x = 4,340,621,123,666,163.50/76,125,651.66
  6. Step 6: Final answer
    x = 57,019,165.41

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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.