Home / 51,517,821.80-77,326,499.10-31,362,429.80

Finding the Fourth Proportional to 51,517,821.80, 77,326,499.10 and 31,362,429.80

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Solution

The fourth proportional to 51,517,821.80, 77,326,499.10 and 31,362,429.80 is: 47,073,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,517,821.80 : 77,326,499.10 = 31,362,429.80 : x
  2. Step 2: Convert to fraction form
    51,517,821.80/77,326,499.10 = 31,362,429.80/x
  3. Step 3: Cross multiply
    51,517,821.80x = 77,326,499.10 × 31,362,429.80
  4. Step 4: Simplify right side
    51,517,821.80x = 2,425,146,899,703,513
  5. Step 5: Solve for x
    x = 2,425,146,899,703,513/51,517,821.80
  6. Step 6: Final answer
    x = 47,073,940.92

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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.