Home / 145,152,249.30-217,476,431.55-136,082,322.90

Finding the Fourth Proportional to 145,152,249.30, 217,476,431.55 and 136,082,322.90

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Solution

The fourth proportional to 145,152,249.30, 217,476,431.55 and 136,082,322.90 is: 203,887,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,249.30 : 217,476,431.55 = 136,082,322.90 : x
  2. Step 2: Convert to fraction form
    145,152,249.30/217,476,431.55 = 136,082,322.90/x
  3. Step 3: Cross multiply
    145,152,249.30x = 217,476,431.55 × 136,082,322.90
  4. Step 4: Simplify right side
    145,152,249.30x = 29,594,697,981,326,852
  5. Step 5: Solve for x
    x = 29,594,697,981,326,852/145,152,249.30
  6. Step 6: Final answer
    x = 203,887,284.72

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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.