Home / 134,166,198.80-185,145,065.88-75,431,349.20

Finding the Fourth Proportional to 134,166,198.80, 185,145,065.88 and 75,431,349.20

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Solution

The fourth proportional to 134,166,198.80, 185,145,065.88 and 75,431,349.20 is: 104,092,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,166,198.80 : 185,145,065.88 = 75,431,349.20 : x
  2. Step 2: Convert to fraction form
    134,166,198.80/185,145,065.88 = 75,431,349.20/x
  3. Step 3: Cross multiply
    134,166,198.80x = 185,145,065.88 × 75,431,349.20
  4. Step 4: Simplify right side
    134,166,198.80x = 13,965,742,117,051,286
  5. Step 5: Solve for x
    x = 13,965,742,117,051,286/134,166,198.80
  6. Step 6: Final answer
    x = 104,092,850.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.