Home / 77,822,251,765.22-116,738,499,692.16-20,390,491,810.72

Finding the Fourth Proportional to 77,822,251,765.22, 116,738,499,692.16 and 20,390,491,810.72

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Solution

The fourth proportional to 77,822,251,765.22, 116,738,499,692.16 and 20,390,491,810.72 is: 30,587,079,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,822,251,765.22 : 116,738,499,692.16 = 20,390,491,810.72 : x
  2. Step 2: Convert to fraction form
    77,822,251,765.22/116,738,499,692.16 = 20,390,491,810.72/x
  3. Step 3: Cross multiply
    77,822,251,765.22x = 116,738,499,692.16 × 20,390,491,810.72
  4. Step 4: Simplify right side
    77,822,251,765.22x = 2,380,355,421,968,494,231,552
  5. Step 5: Solve for x
    x = 2,380,355,421,968,494,231,552/77,822,251,765.22
  6. Step 6: Final answer
    x = 30,587,079,761.58

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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.