Home / 281,979,101.90-422,796,190.88-134,471,777.45

Finding the Fourth Proportional to 281,979,101.90, 422,796,190.88 and 134,471,777.45

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Solution

The fourth proportional to 281,979,101.90, 422,796,190.88 and 134,471,777.45 is: 201,625,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,979,101.90 : 422,796,190.88 = 134,471,777.45 : x
  2. Step 2: Convert to fraction form
    281,979,101.90/422,796,190.88 = 134,471,777.45/x
  3. Step 3: Cross multiply
    281,979,101.90x = 422,796,190.88 × 134,471,777.45
  4. Step 4: Simplify right side
    281,979,101.90x = 56,854,155,284,945,272
  5. Step 5: Solve for x
    x = 56,854,155,284,945,272/281,979,101.90
  6. Step 6: Final answer
    x = 201,625,421.53

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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.