Home / 471,022,881.72-706,534,156.28-125,967,540.64

Finding the Fourth Proportional to 471,022,881.72, 706,534,156.28 and 125,967,540.64

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Solution

The fourth proportional to 471,022,881.72, 706,534,156.28 and 125,967,540.64 is: 188,951,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,022,881.72 : 706,534,156.28 = 125,967,540.64 : x
  2. Step 2: Convert to fraction form
    471,022,881.72/706,534,156.28 = 125,967,540.64/x
  3. Step 3: Cross multiply
    471,022,881.72x = 706,534,156.28 × 125,967,540.64
  4. Step 4: Simplify right side
    471,022,881.72x = 89,000,370,041,216,336
  5. Step 5: Solve for x
    x = 89,000,370,041,216,336/471,022,881.72
  6. Step 6: Final answer
    x = 188,951,266.48

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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.