Home / 82,226,515.03-123,291,964.72-31,112,475.91

Finding the Fourth Proportional to 82,226,515.03, 123,291,964.72 and 31,112,475.91

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Solution

The fourth proportional to 82,226,515.03, 123,291,964.72 and 31,112,475.91 is: 46,650,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,226,515.03 : 123,291,964.72 = 31,112,475.91 : x
  2. Step 2: Convert to fraction form
    82,226,515.03/123,291,964.72 = 31,112,475.91/x
  3. Step 3: Cross multiply
    82,226,515.03x = 123,291,964.72 × 31,112,475.91
  4. Step 4: Simplify right side
    82,226,515.03x = 3,835,918,282,247,570
  5. Step 5: Solve for x
    x = 3,835,918,282,247,570/82,226,515.03
  6. Step 6: Final answer
    x = 46,650,624.57

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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.