Home / 135,145,855.65-186,515,181.34-82,226,320.22

Finding the Fourth Proportional to 135,145,855.65, 186,515,181.34 and 82,226,320.22

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Solution

The fourth proportional to 135,145,855.65, 186,515,181.34 and 82,226,320.22 is: 113,480,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,145,855.65 : 186,515,181.34 = 82,226,320.22 : x
  2. Step 2: Convert to fraction form
    135,145,855.65/186,515,181.34 = 82,226,320.22/x
  3. Step 3: Cross multiply
    135,145,855.65x = 186,515,181.34 × 82,226,320.22
  4. Step 4: Simplify right side
    135,145,855.65x = 15,336,457,025,821,634
  5. Step 5: Solve for x
    x = 15,336,457,025,821,634/135,145,855.65
  6. Step 6: Final answer
    x = 113,480,779.36

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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.