Home / 84,485,336.88-116,569,782-47,815,907.88

Finding the Fourth Proportional to 84,485,336.88, 116,569,782 and 47,815,907.88

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Solution

The fourth proportional to 84,485,336.88, 116,569,782 and 47,815,907.88 is: 65,974,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,485,336.88 : 116,569,782 = 47,815,907.88 : x
  2. Step 2: Convert to fraction form
    84,485,336.88/116,569,782 = 47,815,907.88/x
  3. Step 3: Cross multiply
    84,485,336.88x = 116,569,782 × 47,815,907.88
  4. Step 4: Simplify right side
    84,485,336.88x = 5,573,889,957,703,682
  5. Step 5: Solve for x
    x = 5,573,889,957,703,682/84,485,336.88
  6. Step 6: Final answer
    x = 65,974,643.22

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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.