Home / 84,734,145.90-127,101,218.85-65,578,650.30

Finding the Fourth Proportional to 84,734,145.90, 127,101,218.85 and 65,578,650.30

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Solution

The fourth proportional to 84,734,145.90, 127,101,218.85 and 65,578,650.30 is: 98,367,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,734,145.90 : 127,101,218.85 = 65,578,650.30 : x
  2. Step 2: Convert to fraction form
    84,734,145.90/127,101,218.85 = 65,578,650.30/x
  3. Step 3: Cross multiply
    84,734,145.90x = 127,101,218.85 × 65,578,650.30
  4. Step 4: Simplify right side
    84,734,145.90x = 8,335,126,383,667,917
  5. Step 5: Solve for x
    x = 8,335,126,383,667,917/84,734,145.90
  6. Step 6: Final answer
    x = 98,367,975.45

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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.