Home / 76,610,729.70-114,916,094.55-67,044,791.70

Finding the Fourth Proportional to 76,610,729.70, 114,916,094.55 and 67,044,791.70

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Solution

The fourth proportional to 76,610,729.70, 114,916,094.55 and 67,044,791.70 is: 100,567,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,610,729.70 : 114,916,094.55 = 67,044,791.70 : x
  2. Step 2: Convert to fraction form
    76,610,729.70/114,916,094.55 = 67,044,791.70/x
  3. Step 3: Cross multiply
    76,610,729.70x = 114,916,094.55 × 67,044,791.70
  4. Step 4: Simplify right side
    76,610,729.70x = 7,704,525,622,082,255
  5. Step 5: Solve for x
    x = 7,704,525,622,082,255/76,610,729.70
  6. Step 6: Final answer
    x = 100,567,187.55

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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.