Home / 45,512,847.30-68,292,890.55-19,956,440.10

Finding the Fourth Proportional to 45,512,847.30, 68,292,890.55 and 19,956,440.10

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Solution

The fourth proportional to 45,512,847.30, 68,292,890.55 and 19,956,440.10 is: 29,945,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,512,847.30 : 68,292,890.55 = 19,956,440.10 : x
  2. Step 2: Convert to fraction form
    45,512,847.30/68,292,890.55 = 19,956,440.10/x
  3. Step 3: Cross multiply
    45,512,847.30x = 68,292,890.55 × 19,956,440.10
  4. Step 4: Simplify right side
    45,512,847.30x = 1,362,882,979,516,931
  5. Step 5: Solve for x
    x = 1,362,882,979,516,931/45,512,847.30
  6. Step 6: Final answer
    x = 29,945,016.85

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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.