Home / 80,447,894,427.72-120,629,941,013.16-37,941,378,662.25

Finding the Fourth Proportional to 80,447,894,427.72, 120,629,941,013.16 and 37,941,378,662.25

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Solution

The fourth proportional to 80,447,894,427.72, 120,629,941,013.16 and 37,941,378,662.25 is: 56,892,306,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,447,894,427.72 : 120,629,941,013.16 = 37,941,378,662.25 : x
  2. Step 2: Convert to fraction form
    80,447,894,427.72/120,629,941,013.16 = 37,941,378,662.25/x
  3. Step 3: Cross multiply
    80,447,894,427.72x = 120,629,941,013.16 × 37,941,378,662.25
  4. Step 4: Simplify right side
    80,447,894,427.72x = 4,576,866,269,985,184,940,032
  5. Step 5: Solve for x
    x = 4,576,866,269,985,184,940,032/80,447,894,427.72
  6. Step 6: Final answer
    x = 56,892,306,536.34

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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.