Home / 91,088,586.30-136,632,879.45-82,302,095.10

Finding the Fourth Proportional to 91,088,586.30, 136,632,879.45 and 82,302,095.10

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Solution

The fourth proportional to 91,088,586.30, 136,632,879.45 and 82,302,095.10 is: 123,453,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,088,586.30 : 136,632,879.45 = 82,302,095.10 : x
  2. Step 2: Convert to fraction form
    91,088,586.30/136,632,879.45 = 82,302,095.10/x
  3. Step 3: Cross multiply
    91,088,586.30x = 136,632,879.45 × 82,302,095.10
  4. Step 4: Simplify right side
    91,088,586.30x = 11,245,172,238,280,734
  5. Step 5: Solve for x
    x = 11,245,172,238,280,734/91,088,586.30
  6. Step 6: Final answer
    x = 123,453,142.65

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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.