Home / 191,010,212.55-263,406,834.30-121,274,524.53

Finding the Fourth Proportional to 191,010,212.55, 263,406,834.30 and 121,274,524.53

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Solution

The fourth proportional to 191,010,212.55, 263,406,834.30 and 121,274,524.53 is: 167,239,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,010,212.55 : 263,406,834.30 = 121,274,524.53 : x
  2. Step 2: Convert to fraction form
    191,010,212.55/263,406,834.30 = 121,274,524.53/x
  3. Step 3: Cross multiply
    191,010,212.55x = 263,406,834.30 × 121,274,524.53
  4. Step 4: Simplify right side
    191,010,212.55x = 31,944,538,587,684,996
  5. Step 5: Solve for x
    x = 31,944,538,587,684,996/191,010,212.55
  6. Step 6: Final answer
    x = 167,239,951.00

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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.