Home / 221,105,820,167.52-331,691,892,238.98-77,659,565,242.53

Finding the Fourth Proportional to 221,105,820,167.52, 331,691,892,238.98 and 77,659,565,242.53

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Solution

The fourth proportional to 221,105,820,167.52, 331,691,892,238.98 and 77,659,565,242.53 is: 116,500,995,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,105,820,167.52 : 331,691,892,238.98 = 77,659,565,242.53 : x
  2. Step 2: Convert to fraction form
    221,105,820,167.52/331,691,892,238.98 = 77,659,565,242.53/x
  3. Step 3: Cross multiply
    221,105,820,167.52x = 331,691,892,238.98 × 77,659,565,242.53
  4. Step 4: Simplify right side
    221,105,820,167.52x = 25,759,048,145,749,634,187,264
  5. Step 5: Solve for x
    x = 25,759,048,145,749,634,187,264/221,105,820,167.52
  6. Step 6: Final answer
    x = 116,500,995,433.92

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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.