Home / 83,163,954.75-114,761,616.72-45,479,682.21

Finding the Fourth Proportional to 83,163,954.75, 114,761,616.72 and 45,479,682.21

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Solution

The fourth proportional to 83,163,954.75, 114,761,616.72 and 45,479,682.21 is: 62,759,423.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,163,954.75 : 114,761,616.72 = 45,479,682.21 : x
  2. Step 2: Convert to fraction form
    83,163,954.75/114,761,616.72 = 45,479,682.21/x
  3. Step 3: Cross multiply
    83,163,954.75x = 114,761,616.72 × 45,479,682.21
  4. Step 4: Simplify right side
    83,163,954.75x = 5,219,321,858,331,423
  5. Step 5: Solve for x
    x = 5,219,321,858,331,423/83,163,954.75
  6. Step 6: Final answer
    x = 62,759,423.53

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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.