Home / 55,301,631,821.04-82,918,856,702.42-21,684,981,113.12

Finding the Fourth Proportional to 55,301,631,821.04, 82,918,856,702.42 and 21,684,981,113.12

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Solution

The fourth proportional to 55,301,631,821.04, 82,918,856,702.42 and 21,684,981,113.12 is: 32,514,299,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,301,631,821.04 : 82,918,856,702.42 = 21,684,981,113.12 : x
  2. Step 2: Convert to fraction form
    55,301,631,821.04/82,918,856,702.42 = 21,684,981,113.12/x
  3. Step 3: Cross multiply
    55,301,631,821.04x = 82,918,856,702.42 × 21,684,981,113.12
  4. Step 4: Simplify right side
    55,301,631,821.04x = 1,798,093,841,513,481,240,576
  5. Step 5: Solve for x
    x = 1,798,093,841,513,481,240,576/55,301,631,821.04
  6. Step 6: Final answer
    x = 32,514,299,891.41

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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.