Home / 51,156,175.20-76,668,944.40-20,829,775.20

Finding the Fourth Proportional to 51,156,175.20, 76,668,944.40 and 20,829,775.20

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Solution

The fourth proportional to 51,156,175.20, 76,668,944.40 and 20,829,775.20 is: 31,218,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,156,175.20 : 76,668,944.40 = 20,829,775.20 : x
  2. Step 2: Convert to fraction form
    51,156,175.20/76,668,944.40 = 20,829,775.20/x
  3. Step 3: Cross multiply
    51,156,175.20x = 76,668,944.40 × 20,829,775.20
  4. Step 4: Simplify right side
    51,156,175.20x = 1,596,996,876,673,299
  5. Step 5: Solve for x
    x = 1,596,996,876,673,299/51,156,175.20
  6. Step 6: Final answer
    x = 31,218,066.45

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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.