Home / 51,205,591.77-76,827,738.48-30,749,572.68

Finding the Fourth Proportional to 51,205,591.77, 76,827,738.48 and 30,749,572.68

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Solution

The fourth proportional to 51,205,591.77, 76,827,738.48 and 30,749,572.68 is: 46,135,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205,591.77 : 76,827,738.48 = 30,749,572.68 : x
  2. Step 2: Convert to fraction form
    51,205,591.77/76,827,738.48 = 30,749,572.68/x
  3. Step 3: Cross multiply
    51,205,591.77x = 76,827,738.48 × 30,749,572.68
  4. Step 4: Simplify right side
    51,205,591.77x = 2,362,420,128,230,793
  5. Step 5: Solve for x
    x = 2,362,420,128,230,793/51,205,591.77
  6. Step 6: Final answer
    x = 46,135,979.42

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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.