Home / 134,162,507.20-185,143,147-75,425,434.15

Finding the Fourth Proportional to 134,162,507.20, 185,143,147 and 75,425,434.15

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Solution

The fourth proportional to 134,162,507.20, 185,143,147 and 75,425,434.15 is: 104,086,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,162,507.20 : 185,143,147 = 75,425,434.15 : x
  2. Step 2: Convert to fraction form
    134,162,507.20/185,143,147 = 75,425,434.15/x
  3. Step 3: Cross multiply
    134,162,507.20x = 185,143,147 × 75,425,434.15
  4. Step 4: Simplify right side
    134,162,507.20x = 13,964,502,242,372,272
  5. Step 5: Solve for x
    x = 13,964,502,242,372,272/134,162,507.20
  6. Step 6: Final answer
    x = 104,086,473.44

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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.