Home / 70,380,439.91-105,570,448.67-17,858,009.70

Finding the Fourth Proportional to 70,380,439.91, 105,570,448.67 and 17,858,009.70

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Solution

The fourth proportional to 70,380,439.91, 105,570,448.67 and 17,858,009.70 is: 26,786,960.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,380,439.91 : 105,570,448.67 = 17,858,009.70 : x
  2. Step 2: Convert to fraction form
    70,380,439.91/105,570,448.67 = 17,858,009.70/x
  3. Step 3: Cross multiply
    70,380,439.91x = 105,570,448.67 × 17,858,009.70
  4. Step 4: Simplify right side
    70,380,439.91x = 1,885,278,096,292,922
  5. Step 5: Solve for x
    x = 1,885,278,096,292,922/70,380,439.91
  6. Step 6: Final answer
    x = 26,786,960.96

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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.