Home / 51,204,307.45-76,806,539.09-20,912,170.45

Finding the Fourth Proportional to 51,204,307.45, 76,806,539.09 and 20,912,170.45

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Solution

The fourth proportional to 51,204,307.45, 76,806,539.09 and 20,912,170.45 is: 31,368,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204,307.45 : 76,806,539.09 = 20,912,170.45 : x
  2. Step 2: Convert to fraction form
    51,204,307.45/76,806,539.09 = 20,912,170.45/x
  3. Step 3: Cross multiply
    51,204,307.45x = 76,806,539.09 × 20,912,170.45
  4. Step 4: Simplify right side
    51,204,307.45x = 1,606,191,437,124,668
  5. Step 5: Solve for x
    x = 1,606,191,437,124,668/51,204,307.45
  6. Step 6: Final answer
    x = 31,368,287.50

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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.