Home / 104,288,515.27-143,918,308.71-56,603,786.74

Finding the Fourth Proportional to 104,288,515.27, 143,918,308.71 and 56,603,786.74

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Solution

The fourth proportional to 104,288,515.27, 143,918,308.71 and 56,603,786.74 is: 78,113,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,288,515.27 : 143,918,308.71 = 56,603,786.74 : x
  2. Step 2: Convert to fraction form
    104,288,515.27/143,918,308.71 = 56,603,786.74/x
  3. Step 3: Cross multiply
    104,288,515.27x = 143,918,308.71 × 56,603,786.74
  4. Step 4: Simplify right side
    104,288,515.27x = 8,146,321,253,842,529
  5. Step 5: Solve for x
    x = 8,146,321,253,842,529/104,288,515.27
  6. Step 6: Final answer
    x = 78,113,311.26

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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.