Home / 118,591,733.26-163,647,656.40-72,176,857.30

Finding the Fourth Proportional to 118,591,733.26, 163,647,656.40 and 72,176,857.30

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Solution

The fourth proportional to 118,591,733.26, 163,647,656.40 and 72,176,857.30 is: 99,598,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,591,733.26 : 163,647,656.40 = 72,176,857.30 : x
  2. Step 2: Convert to fraction form
    118,591,733.26/163,647,656.40 = 72,176,857.30/x
  3. Step 3: Cross multiply
    118,591,733.26x = 163,647,656.40 × 72,176,857.30
  4. Step 4: Simplify right side
    118,591,733.26x = 11,811,573,543,462,232
  5. Step 5: Solve for x
    x = 11,811,573,543,462,232/118,591,733.26
  6. Step 6: Final answer
    x = 99,598,624.78

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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.