Home / 84,734,163.40-127,101,245.10-65,578,667.80

Finding the Fourth Proportional to 84,734,163.40, 127,101,245.10 and 65,578,667.80

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Solution

The fourth proportional to 84,734,163.40, 127,101,245.10 and 65,578,667.80 is: 98,368,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,734,163.40 : 127,101,245.10 = 65,578,667.80 : x
  2. Step 2: Convert to fraction form
    84,734,163.40/127,101,245.10 = 65,578,667.80/x
  3. Step 3: Cross multiply
    84,734,163.40x = 127,101,245.10 × 65,578,667.80
  4. Step 4: Simplify right side
    84,734,163.40x = 8,335,130,329,379,277
  5. Step 5: Solve for x
    x = 8,335,130,329,379,277/84,734,163.40
  6. Step 6: Final answer
    x = 98,368,001.70

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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.