Home / 216,654,737,657.85-324,699,401,139.59-121,036,894,193.83

Finding the Fourth Proportional to 216,654,737,657.85, 324,699,401,139.59 and 121,036,894,193.83

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Solution

The fourth proportional to 216,654,737,657.85, 324,699,401,139.59 and 121,036,894,193.83 is: 181,397,404,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,654,737,657.85 : 324,699,401,139.59 = 121,036,894,193.83 : x
  2. Step 2: Convert to fraction form
    216,654,737,657.85/324,699,401,139.59 = 121,036,894,193.83/x
  3. Step 3: Cross multiply
    216,654,737,657.85x = 324,699,401,139.59 × 121,036,894,193.83
  4. Step 4: Simplify right side
    216,654,737,657.85x = 39,300,607,060,532,518,715,392
  5. Step 5: Solve for x
    x = 39,300,607,060,532,518,715,392/216,654,737,657.85
  6. Step 6: Final answer
    x = 181,397,404,392.78

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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.