Home / 51,156,195.20-76,668,974.40-20,829,795.20

Finding the Fourth Proportional to 51,156,195.20, 76,668,974.40 and 20,829,795.20

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Solution

The fourth proportional to 51,156,195.20, 76,668,974.40 and 20,829,795.20 is: 31,218,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,156,195.20 : 76,668,974.40 = 20,829,795.20 : x
  2. Step 2: Convert to fraction form
    51,156,195.20/76,668,974.40 = 20,829,795.20/x
  3. Step 3: Cross multiply
    51,156,195.20x = 76,668,974.40 × 20,829,795.20
  4. Step 4: Simplify right side
    51,156,195.20x = 1,596,999,034,946,043
  5. Step 5: Solve for x
    x = 1,596,999,034,946,043/51,156,195.20
  6. Step 6: Final answer
    x = 31,218,096.43

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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.