Home / 101,419,652.91-139,957,747.61-56,765,611.72

Finding the Fourth Proportional to 101,419,652.91, 139,957,747.61 and 56,765,611.72

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Solution

The fourth proportional to 101,419,652.91, 139,957,747.61 and 56,765,611.72 is: 78,335,775.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,419,652.91 : 139,957,747.61 = 56,765,611.72 : x
  2. Step 2: Convert to fraction form
    101,419,652.91/139,957,747.61 = 56,765,611.72/x
  3. Step 3: Cross multiply
    101,419,652.91x = 139,957,747.61 × 56,765,611.72
  4. Step 4: Simplify right side
    101,419,652.91x = 7,944,787,158,484,710
  5. Step 5: Solve for x
    x = 7,944,787,158,484,710/101,419,652.91
  6. Step 6: Final answer
    x = 78,335,775.47

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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.