Home / 31,144,586.46-42,667,369.53-29,980,171.50

Finding the Fourth Proportional to 31,144,586.46, 42,667,369.53 and 29,980,171.50

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Solution

The fourth proportional to 31,144,586.46, 42,667,369.53 and 29,980,171.50 is: 41,072,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,144,586.46 : 42,667,369.53 = 29,980,171.50 : x
  2. Step 2: Convert to fraction form
    31,144,586.46/42,667,369.53 = 29,980,171.50/x
  3. Step 3: Cross multiply
    31,144,586.46x = 42,667,369.53 × 29,980,171.50
  4. Step 4: Simplify right side
    31,144,586.46x = 1,279,175,055,963,274.50
  5. Step 5: Solve for x
    x = 1,279,175,055,963,274.50/31,144,586.46
  6. Step 6: Final answer
    x = 41,072,147.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.