Home / 51,204,360.58-76,806,618.64-20,912,223.58

Finding the Fourth Proportional to 51,204,360.58, 76,806,618.64 and 20,912,223.58

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Solution

The fourth proportional to 51,204,360.58, 76,806,618.64 and 20,912,223.58 is: 31,368,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204,360.58 : 76,806,618.64 = 20,912,223.58 : x
  2. Step 2: Convert to fraction form
    51,204,360.58/76,806,618.64 = 20,912,223.58/x
  3. Step 3: Cross multiply
    51,204,360.58x = 76,806,618.64 × 20,912,223.58
  4. Step 4: Simplify right side
    51,204,360.58x = 1,606,197,181,423,475.50
  5. Step 5: Solve for x
    x = 1,606,197,181,423,475.50/51,204,360.58
  6. Step 6: Final answer
    x = 31,368,367.13

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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.