Home / 66,869,235.96-100,327,746.36-40,661,392.38

Finding the Fourth Proportional to 66,869,235.96, 100,327,746.36 and 40,661,392.38

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Solution

The fourth proportional to 66,869,235.96, 100,327,746.36 and 40,661,392.38 is: 61,006,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,869,235.96 : 100,327,746.36 = 40,661,392.38 : x
  2. Step 2: Convert to fraction form
    66,869,235.96/100,327,746.36 = 40,661,392.38/x
  3. Step 3: Cross multiply
    66,869,235.96x = 100,327,746.36 × 40,661,392.38
  4. Step 4: Simplify right side
    66,869,235.96x = 4,079,465,861,345,077
  5. Step 5: Solve for x
    x = 4,079,465,861,345,077/66,869,235.96
  6. Step 6: Final answer
    x = 61,006,616.91

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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.