Home / 82,811,029.20-124,222,448.70-25,303,208.10

Finding the Fourth Proportional to 82,811,029.20, 124,222,448.70 and 25,303,208.10

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Solution

The fourth proportional to 82,811,029.20, 124,222,448.70 and 25,303,208.10 is: 37,956,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811,029.20 : 124,222,448.70 = 25,303,208.10 : x
  2. Step 2: Convert to fraction form
    82,811,029.20/124,222,448.70 = 25,303,208.10/x
  3. Step 3: Cross multiply
    82,811,029.20x = 124,222,448.70 × 25,303,208.10
  4. Step 4: Simplify right side
    82,811,029.20x = 3,143,226,470,147,674.50
  5. Step 5: Solve for x
    x = 3,143,226,470,147,674.50/82,811,029.20
  6. Step 6: Final answer
    x = 37,956,616.41

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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.