Home / 81,985,582,107.07-122,983,769,223.77-21,481,341,167.35

Finding the Fourth Proportional to 81,985,582,107.07, 122,983,769,223.77 and 21,481,341,167.35

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Solution

The fourth proportional to 81,985,582,107.07, 122,983,769,223.77 and 21,481,341,167.35 is: 32,223,425,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,985,582,107.07 : 122,983,769,223.77 = 21,481,341,167.35 : x
  2. Step 2: Convert to fraction form
    81,985,582,107.07/122,983,769,223.77 = 21,481,341,167.35/x
  3. Step 3: Cross multiply
    81,985,582,107.07x = 122,983,769,223.77 × 21,481,341,167.35
  4. Step 4: Simplify right side
    81,985,582,107.07x = 2,641,856,304,741,828,001,792
  5. Step 5: Solve for x
    x = 2,641,856,304,741,828,001,792/81,985,582,107.07
  6. Step 6: Final answer
    x = 32,223,425,593.19

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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.