Home / 191,679,071.26-287,416,309.94-99,469,965.64

Finding the Fourth Proportional to 191,679,071.26, 287,416,309.94 and 99,469,965.64

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Solution

The fourth proportional to 191,679,071.26, 287,416,309.94 and 99,469,965.64 is: 149,151,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,679,071.26 : 287,416,309.94 = 99,469,965.64 : x
  2. Step 2: Convert to fraction form
    191,679,071.26/287,416,309.94 = 99,469,965.64/x
  3. Step 3: Cross multiply
    191,679,071.26x = 287,416,309.94 × 99,469,965.64
  4. Step 4: Simplify right side
    191,679,071.26x = 28,589,290,474,107,392
  5. Step 5: Solve for x
    x = 28,589,290,474,107,392/191,679,071.26
  6. Step 6: Final answer
    x = 149,151,862.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.