Home / 42,012,959,212.20-57,979,266,585.72-22,981,627,191.12

Finding the Fourth Proportional to 42,012,959,212.20, 57,979,266,585.72 and 22,981,627,191.12

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Solution

The fourth proportional to 42,012,959,212.20, 57,979,266,585.72 and 22,981,627,191.12 is: 31,715,401,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012,959,212.20 : 57,979,266,585.72 = 22,981,627,191.12 : x
  2. Step 2: Convert to fraction form
    42,012,959,212.20/57,979,266,585.72 = 22,981,627,191.12/x
  3. Step 3: Cross multiply
    42,012,959,212.20x = 57,979,266,585.72 × 22,981,627,191.12
  4. Step 4: Simplify right side
    42,012,959,212.20x = 1,332,457,889,487,577,939,968
  5. Step 5: Solve for x
    x = 1,332,457,889,487,577,939,968/42,012,959,212.20
  6. Step 6: Final answer
    x = 31,715,401,972.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.