Home / 112,971,891.64-155,903,512.72-63,415,838.52

Finding the Fourth Proportional to 112,971,891.64, 155,903,512.72 and 63,415,838.52

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Solution

The fourth proportional to 112,971,891.64, 155,903,512.72 and 63,415,838.52 is: 87,515,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,971,891.64 : 155,903,512.72 = 63,415,838.52 : x
  2. Step 2: Convert to fraction form
    112,971,891.64/155,903,512.72 = 63,415,838.52/x
  3. Step 3: Cross multiply
    112,971,891.64x = 155,903,512.72 × 63,415,838.52
  4. Step 4: Simplify right side
    112,971,891.64x = 9,886,751,987,352,286
  5. Step 5: Solve for x
    x = 9,886,751,987,352,286/112,971,891.64
  6. Step 6: Final answer
    x = 87,515,149.51

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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.