Home / 111,627,709.08-167,595,515.22-77,002,002.84

Finding the Fourth Proportional to 111,627,709.08, 167,595,515.22 and 77,002,002.84

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Solution

The fourth proportional to 111,627,709.08, 167,595,515.22 and 77,002,002.84 is: 115,609,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,627,709.08 : 167,595,515.22 = 77,002,002.84 : x
  2. Step 2: Convert to fraction form
    111,627,709.08/167,595,515.22 = 77,002,002.84/x
  3. Step 3: Cross multiply
    111,627,709.08x = 167,595,515.22 × 77,002,002.84
  4. Step 4: Simplify right side
    111,627,709.08x = 12,905,190,338,941,704
  5. Step 5: Solve for x
    x = 12,905,190,338,941,704/111,627,709.08
  6. Step 6: Final answer
    x = 115,609,201.74

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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.