Home / 81,985,582,106.96-122,983,769,223.58-21,481,341,167.22

Finding the Fourth Proportional to 81,985,582,106.96, 122,983,769,223.58 and 21,481,341,167.22

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Solution

The fourth proportional to 81,985,582,106.96, 122,983,769,223.58 and 21,481,341,167.22 is: 32,223,425,593.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,985,582,106.96 : 122,983,769,223.58 = 21,481,341,167.22 : x
  2. Step 2: Convert to fraction form
    81,985,582,106.96/122,983,769,223.58 = 21,481,341,167.22/x
  3. Step 3: Cross multiply
    81,985,582,106.96x = 122,983,769,223.58 × 21,481,341,167.22
  4. Step 4: Simplify right side
    81,985,582,106.96x = 2,641,856,304,722,373,246,976
  5. Step 5: Solve for x
    x = 2,641,856,304,722,373,246,976/81,985,582,106.96
  6. Step 6: Final answer
    x = 32,223,425,593.00

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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.