Home / 78,080,431.13-116,422,586.84-75,935,241.44

Finding the Fourth Proportional to 78,080,431.13, 116,422,586.84 and 75,935,241.44

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Solution

The fourth proportional to 78,080,431.13, 116,422,586.84 and 75,935,241.44 is: 113,223,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,080,431.13 : 116,422,586.84 = 75,935,241.44 : x
  2. Step 2: Convert to fraction form
    78,080,431.13/116,422,586.84 = 75,935,241.44/x
  3. Step 3: Cross multiply
    78,080,431.13x = 116,422,586.84 × 75,935,241.44
  4. Step 4: Simplify right side
    78,080,431.13x = 8,840,577,239,802,977
  5. Step 5: Solve for x
    x = 8,840,577,239,802,977/78,080,431.13
  6. Step 6: Final answer
    x = 113,223,980.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.