Home / 56,438,659.31-84,648,919.84-15,488,532.59

Finding the Fourth Proportional to 56,438,659.31, 84,648,919.84 and 15,488,532.59

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Solution

The fourth proportional to 56,438,659.31, 84,648,919.84 and 15,488,532.59 is: 23,230,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438,659.31 : 84,648,919.84 = 15,488,532.59 : x
  2. Step 2: Convert to fraction form
    56,438,659.31/84,648,919.84 = 15,488,532.59/x
  3. Step 3: Cross multiply
    56,438,659.31x = 84,648,919.84 × 15,488,532.59
  4. Step 4: Simplify right side
    56,438,659.31x = 1,311,087,553,650,137.75
  5. Step 5: Solve for x
    x = 1,311,087,553,650,137.75/56,438,659.31
  6. Step 6: Final answer
    x = 23,230,310.03

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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.