Home / 143,892,518.64-215,807,853.24-45,532,019.76

Finding the Fourth Proportional to 143,892,518.64, 215,807,853.24 and 45,532,019.76

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Solution

The fourth proportional to 143,892,518.64, 215,807,853.24 and 45,532,019.76 is: 68,288,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,892,518.64 : 215,807,853.24 = 45,532,019.76 : x
  2. Step 2: Convert to fraction form
    143,892,518.64/215,807,853.24 = 45,532,019.76/x
  3. Step 3: Cross multiply
    143,892,518.64x = 215,807,853.24 × 45,532,019.76
  4. Step 4: Simplify right side
    143,892,518.64x = 9,826,167,438,086,860
  5. Step 5: Solve for x
    x = 9,826,167,438,086,860/143,892,518.64
  6. Step 6: Final answer
    x = 68,288,244.11

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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.