Home / 42,012,959,211.30-57,979,266,584.28-22,981,627,190.18

Finding the Fourth Proportional to 42,012,959,211.30, 57,979,266,584.28 and 22,981,627,190.18

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Solution

The fourth proportional to 42,012,959,211.30, 57,979,266,584.28 and 22,981,627,190.18 is: 31,715,401,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012,959,211.30 : 57,979,266,584.28 = 22,981,627,190.18 : x
  2. Step 2: Convert to fraction form
    42,012,959,211.30/57,979,266,584.28 = 22,981,627,190.18/x
  3. Step 3: Cross multiply
    42,012,959,211.30x = 57,979,266,584.28 × 22,981,627,190.18
  4. Step 4: Simplify right side
    42,012,959,211.30x = 1,332,457,889,399,983,833,088
  5. Step 5: Solve for x
    x = 1,332,457,889,399,983,833,088/42,012,959,211.30
  6. Step 6: Final answer
    x = 31,715,401,971.53

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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.