Home / 87,327,421,725.36-120,511,842,171.12-47,229,401,109

Finding the Fourth Proportional to 87,327,421,725.36, 120,511,842,171.12 and 47,229,401,109

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Solution

The fourth proportional to 87,327,421,725.36, 120,511,842,171.12 and 47,229,401,109 is: 65,176,573,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,327,421,725.36 : 120,511,842,171.12 = 47,229,401,109 : x
  2. Step 2: Convert to fraction form
    87,327,421,725.36/120,511,842,171.12 = 47,229,401,109/x
  3. Step 3: Cross multiply
    87,327,421,725.36x = 120,511,842,171.12 × 47,229,401,109
  4. Step 4: Simplify right side
    87,327,421,725.36x = 5,691,702,132,284,327,985,152
  5. Step 5: Solve for x
    x = 5,691,702,132,284,327,985,152/87,327,421,725.36
  6. Step 6: Final answer
    x = 65,176,573,633.24

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1.5x scale

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.