Home / 20,139,397,227.62-30,203,943,126.47-5,971,049,923.04

Finding the Fourth Proportional to 20,139,397,227.62, 30,203,943,126.47 and 5,971,049,923.04

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Solution

The fourth proportional to 20,139,397,227.62, 30,203,943,126.47 and 5,971,049,923.04 is: 8,955,047,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,397,227.62 : 30,203,943,126.47 = 5,971,049,923.04 : x
  2. Step 2: Convert to fraction form
    20,139,397,227.62/30,203,943,126.47 = 5,971,049,923.04/x
  3. Step 3: Cross multiply
    20,139,397,227.62x = 30,203,943,126.47 × 5,971,049,923.04
  4. Step 4: Simplify right side
    20,139,397,227.62x = 180,349,252,280,783,372,288
  5. Step 5: Solve for x
    x = 180,349,252,280,783,372,288/20,139,397,227.62
  6. Step 6: Final answer
    x = 8,955,047,176.56

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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.