Home / 138,556,782,016.88-191,208,351,373.12-75,192,008,704.88

Finding the Fourth Proportional to 138,556,782,016.88, 191,208,351,373.12 and 75,192,008,704.88

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Solution

The fourth proportional to 138,556,782,016.88, 191,208,351,373.12 and 75,192,008,704.88 is: 103,764,967,774.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,556,782,016.88 : 191,208,351,373.12 = 75,192,008,704.88 : x
  2. Step 2: Convert to fraction form
    138,556,782,016.88/191,208,351,373.12 = 75,192,008,704.88/x
  3. Step 3: Cross multiply
    138,556,782,016.88x = 191,208,351,373.12 × 75,192,008,704.88
  4. Step 4: Simplify right side
    138,556,782,016.88x = 14,377,340,020,893,392,306,176
  5. Step 5: Solve for x
    x = 14,377,340,020,893,392,306,176/138,556,782,016.88
  6. Step 6: Final answer
    x = 103,764,967,774.31

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1.5x scale

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.