Home / 101,281,227.45-139,767,544.92-56,627,190.78

Finding the Fourth Proportional to 101,281,227.45, 139,767,544.92 and 56,627,190.78

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Solution

The fourth proportional to 101,281,227.45, 139,767,544.92 and 56,627,190.78 is: 78,145,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,281,227.45 : 139,767,544.92 = 56,627,190.78 : x
  2. Step 2: Convert to fraction form
    101,281,227.45/139,767,544.92 = 56,627,190.78/x
  3. Step 3: Cross multiply
    101,281,227.45x = 139,767,544.92 × 56,627,190.78
  4. Step 4: Simplify right side
    101,281,227.45x = 7,914,643,431,037,059
  5. Step 5: Solve for x
    x = 7,914,643,431,037,059/101,281,227.45
  6. Step 6: Final answer
    x = 78,145,216.35

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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.