Home / 51,510,146.28-71,084,567.64-28,305,279.24

Finding the Fourth Proportional to 51,510,146.28, 71,084,567.64 and 28,305,279.24

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Solution

The fourth proportional to 51,510,146.28, 71,084,567.64 and 28,305,279.24 is: 39,061,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,510,146.28 : 71,084,567.64 = 28,305,279.24 : x
  2. Step 2: Convert to fraction form
    51,510,146.28/71,084,567.64 = 28,305,279.24/x
  3. Step 3: Cross multiply
    51,510,146.28x = 71,084,567.64 × 28,305,279.24
  4. Step 4: Simplify right side
    51,510,146.28x = 2,012,068,536,704,867.75
  5. Step 5: Solve for x
    x = 2,012,068,536,704,867.75/51,510,146.28
  6. Step 6: Final answer
    x = 39,061,596.25

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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.