Home / 82,481,288.40-113,825,343.76-45,315,003.76

Finding the Fourth Proportional to 82,481,288.40, 113,825,343.76 and 45,315,003.76

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Solution

The fourth proportional to 82,481,288.40, 113,825,343.76 and 45,315,003.76 is: 62,535,345.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,481,288.40 : 113,825,343.76 = 45,315,003.76 : x
  2. Step 2: Convert to fraction form
    82,481,288.40/113,825,343.76 = 45,315,003.76/x
  3. Step 3: Cross multiply
    82,481,288.40x = 113,825,343.76 × 45,315,003.76
  4. Step 4: Simplify right side
    82,481,288.40x = 5,157,995,880,467,693
  5. Step 5: Solve for x
    x = 5,157,995,880,467,693/82,481,288.40
  6. Step 6: Final answer
    x = 62,535,345.66

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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.