Home / 82,461,085.48-123,707,571.90-31,339,118.80

Finding the Fourth Proportional to 82,461,085.48, 123,707,571.90 and 31,339,118.80

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Solution

The fourth proportional to 82,461,085.48, 123,707,571.90 and 31,339,118.80 is: 47,014,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,461,085.48 : 123,707,571.90 = 31,339,118.80 : x
  2. Step 2: Convert to fraction form
    82,461,085.48/123,707,571.90 = 31,339,118.80/x
  3. Step 3: Cross multiply
    82,461,085.48x = 123,707,571.90 × 31,339,118.80
  4. Step 4: Simplify right side
    82,461,085.48x = 3,876,886,292,233,642
  5. Step 5: Solve for x
    x = 3,876,886,292,233,642/82,461,085.48
  6. Step 6: Final answer
    x = 47,014,737.55

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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.