Home / 56,771,174.70-78,344,209.26-30,665,693.61

Finding the Fourth Proportional to 56,771,174.70, 78,344,209.26 and 30,665,693.61

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Solution

The fourth proportional to 56,771,174.70, 78,344,209.26 and 30,665,693.61 is: 42,318,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771,174.70 : 78,344,209.26 = 30,665,693.61 : x
  2. Step 2: Convert to fraction form
    56,771,174.70/78,344,209.26 = 30,665,693.61/x
  3. Step 3: Cross multiply
    56,771,174.70x = 78,344,209.26 × 30,665,693.61
  4. Step 4: Simplify right side
    56,771,174.70x = 2,402,479,517,284,885
  5. Step 5: Solve for x
    x = 2,402,479,517,284,885/56,771,174.70
  6. Step 6: Final answer
    x = 42,318,650.79

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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.