Home / 66,667,544.04-100,010,898.90-20,613,004.68

Finding the Fourth Proportional to 66,667,544.04, 100,010,898.90 and 20,613,004.68

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Solution

The fourth proportional to 66,667,544.04, 100,010,898.90 and 20,613,004.68 is: 30,922,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,667,544.04 : 100,010,898.90 = 20,613,004.68 : x
  2. Step 2: Convert to fraction form
    66,667,544.04/100,010,898.90 = 20,613,004.68/x
  3. Step 3: Cross multiply
    66,667,544.04x = 100,010,898.90 × 20,613,004.68
  4. Step 4: Simplify right side
    66,667,544.04x = 2,061,525,127,076,707
  5. Step 5: Solve for x
    x = 2,061,525,127,076,707/66,667,544.04
  6. Step 6: Final answer
    x = 30,922,469.95

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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.