Home / 82,461,084.48-123,707,570.40-31,339,117.80

Finding the Fourth Proportional to 82,461,084.48, 123,707,570.40 and 31,339,117.80

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Solution

The fourth proportional to 82,461,084.48, 123,707,570.40 and 31,339,117.80 is: 47,014,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,461,084.48 : 123,707,570.40 = 31,339,117.80 : x
  2. Step 2: Convert to fraction form
    82,461,084.48/123,707,570.40 = 31,339,117.80/x
  3. Step 3: Cross multiply
    82,461,084.48x = 123,707,570.40 × 31,339,117.80
  4. Step 4: Simplify right side
    82,461,084.48x = 3,876,886,121,517,393.50
  5. Step 5: Solve for x
    x = 3,876,886,121,517,393.50/82,461,084.48
  6. Step 6: Final answer
    x = 47,014,736.05

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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.