Home / 87,504,345,733.20-120,756,119,644.40-47,406,325,121.71

Finding the Fourth Proportional to 87,504,345,733.20, 120,756,119,644.40 and 47,406,325,121.71

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Solution

The fourth proportional to 87,504,345,733.20, 120,756,119,644.40 and 47,406,325,121.71 is: 65,420,795,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,504,345,733.20 : 120,756,119,644.40 = 47,406,325,121.71 : x
  2. Step 2: Convert to fraction form
    87,504,345,733.20/120,756,119,644.40 = 47,406,325,121.71/x
  3. Step 3: Cross multiply
    87,504,345,733.20x = 120,756,119,644.40 × 47,406,325,121.71
  4. Step 4: Simplify right side
    87,504,345,733.20x = 5,724,603,868,298,296,164,352
  5. Step 5: Solve for x
    x = 5,724,603,868,298,296,164,352/87,504,345,733.20
  6. Step 6: Final answer
    x = 65,420,795,051.17

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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.