Home / 123,777,246.27-185,672,036.72-47,106,216.75

Finding the Fourth Proportional to 123,777,246.27, 185,672,036.72 and 47,106,216.75

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Solution

The fourth proportional to 123,777,246.27, 185,672,036.72 and 47,106,216.75 is: 70,661,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,777,246.27 : 185,672,036.72 = 47,106,216.75 : x
  2. Step 2: Convert to fraction form
    123,777,246.27/185,672,036.72 = 47,106,216.75/x
  3. Step 3: Cross multiply
    123,777,246.27x = 185,672,036.72 × 47,106,216.75
  4. Step 4: Simplify right side
    123,777,246.27x = 8,746,307,206,146,279
  5. Step 5: Solve for x
    x = 8,746,307,206,146,279/123,777,246.27
  6. Step 6: Final answer
    x = 70,661,672.24

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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.