Home / 143,147,714.64-197,546,458.06-79,574,023.50

Finding the Fourth Proportional to 143,147,714.64, 197,546,458.06 and 79,574,023.50

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Solution

The fourth proportional to 143,147,714.64, 197,546,458.06 and 79,574,023.50 is: 109,813,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,147,714.64 : 197,546,458.06 = 79,574,023.50 : x
  2. Step 2: Convert to fraction form
    143,147,714.64/197,546,458.06 = 79,574,023.50/x
  3. Step 3: Cross multiply
    143,147,714.64x = 197,546,458.06 × 79,574,023.50
  4. Step 4: Simplify right side
    143,147,714.64x = 15,719,566,496,008,204
  5. Step 5: Solve for x
    x = 15,719,566,496,008,204/143,147,714.64
  6. Step 6: Final answer
    x = 109,813,604.33

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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.