Home / 161,764,297,401.60-242,646,446,102.40-67,504,892,427.90

Finding the Fourth Proportional to 161,764,297,401.60, 242,646,446,102.40 and 67,504,892,427.90

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Solution

The fourth proportional to 161,764,297,401.60, 242,646,446,102.40 and 67,504,892,427.90 is: 101,257,338,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,764,297,401.60 : 242,646,446,102.40 = 67,504,892,427.90 : x
  2. Step 2: Convert to fraction form
    161,764,297,401.60/242,646,446,102.40 = 67,504,892,427.90/x
  3. Step 3: Cross multiply
    161,764,297,401.60x = 242,646,446,102.40 × 67,504,892,427.90
  4. Step 4: Simplify right side
    161,764,297,401.60x = 16,379,822,242,154,747,527,168
  5. Step 5: Solve for x
    x = 16,379,822,242,154,747,527,168/161,764,297,401.60
  6. Step 6: Final answer
    x = 101,257,338,641.85

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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.