Home / 84,734,166.15-127,101,249.23-65,578,670.55

Finding the Fourth Proportional to 84,734,166.15, 127,101,249.23 and 65,578,670.55

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Solution

The fourth proportional to 84,734,166.15, 127,101,249.23 and 65,578,670.55 is: 98,368,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,734,166.15 : 127,101,249.23 = 65,578,670.55 : x
  2. Step 2: Convert to fraction form
    84,734,166.15/127,101,249.23 = 65,578,670.55/x
  3. Step 3: Cross multiply
    84,734,166.15x = 127,101,249.23 × 65,578,670.55
  4. Step 4: Simplify right side
    84,734,166.15x = 8,335,130,949,419,717
  5. Step 5: Solve for x
    x = 8,335,130,949,419,717/84,734,166.15
  6. Step 6: Final answer
    x = 98,368,005.83

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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.