Home / 82,367,477.41-113,666,807.01-45,198,379.69

Finding the Fourth Proportional to 82,367,477.41, 113,666,807.01 and 45,198,379.69

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Solution

The fourth proportional to 82,367,477.41, 113,666,807.01 and 45,198,379.69 is: 62,373,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,367,477.41 : 113,666,807.01 = 45,198,379.69 : x
  2. Step 2: Convert to fraction form
    82,367,477.41/113,666,807.01 = 45,198,379.69/x
  3. Step 3: Cross multiply
    82,367,477.41x = 113,666,807.01 × 45,198,379.69
  4. Step 4: Simplify right side
    82,367,477.41x = 5,137,555,501,387,934
  5. Step 5: Solve for x
    x = 5,137,555,501,387,934/82,367,477.41
  6. Step 6: Final answer
    x = 62,373,592.87

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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.