Home / 82,471,840.66-113,811,406.05-45,802,411.66

Finding the Fourth Proportional to 82,471,840.66, 113,811,406.05 and 45,802,411.66

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Solution

The fourth proportional to 82,471,840.66, 113,811,406.05 and 45,802,411.66 is: 63,207,475.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,471,840.66 : 113,811,406.05 = 45,802,411.66 : x
  2. Step 2: Convert to fraction form
    82,471,840.66/113,811,406.05 = 45,802,411.66/x
  3. Step 3: Cross multiply
    82,471,840.66x = 113,811,406.05 × 45,802,411.66
  4. Step 4: Simplify right side
    82,471,840.66x = 5,212,836,871,505,514
  5. Step 5: Solve for x
    x = 5,212,836,871,505,514/82,471,840.66
  6. Step 6: Final answer
    x = 63,207,475.79

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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.