Home / 191,149,825,330.54-263,786,784,784.15-105,510,807,236.49

Finding the Fourth Proportional to 191,149,825,330.54, 263,786,784,784.15 and 105,510,807,236.49

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Solution

The fourth proportional to 191,149,825,330.54, 263,786,784,784.15 and 105,510,807,236.49 is: 145,604,928,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,149,825,330.54 : 263,786,784,784.15 = 105,510,807,236.49 : x
  2. Step 2: Convert to fraction form
    191,149,825,330.54/263,786,784,784.15 = 105,510,807,236.49/x
  3. Step 3: Cross multiply
    191,149,825,330.54x = 263,786,784,784.15 × 105,510,807,236.49
  4. Step 4: Simplify right side
    191,149,825,330.54x = 27,832,356,600,893,923,131,392
  5. Step 5: Solve for x
    x = 27,832,356,600,893,923,131,392/191,149,825,330.54
  6. Step 6: Final answer
    x = 145,604,928,242.89

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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.