Home / 82,603,591.20-114,016,985.64-55,101,453.84

Finding the Fourth Proportional to 82,603,591.20, 114,016,985.64 and 55,101,453.84

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Solution

The fourth proportional to 82,603,591.20, 114,016,985.64 and 55,101,453.84 is: 76,056,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,603,591.20 : 114,016,985.64 = 55,101,453.84 : x
  2. Step 2: Convert to fraction form
    82,603,591.20/114,016,985.64 = 55,101,453.84/x
  3. Step 3: Cross multiply
    82,603,591.20x = 114,016,985.64 × 55,101,453.84
  4. Step 4: Simplify right side
    82,603,591.20x = 6,282,501,671,218,403
  5. Step 5: Solve for x
    x = 6,282,501,671,218,403/82,603,591.20
  6. Step 6: Final answer
    x = 76,056,035.58

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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.