Home / 50,556,126,477.21-69,741,003,807.52-31,259,418,014.73

Finding the Fourth Proportional to 50,556,126,477.21, 69,741,003,807.52 and 31,259,418,014.73

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Solution

The fourth proportional to 50,556,126,477.21, 69,741,003,807.52 and 31,259,418,014.73 is: 43,121,642,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,556,126,477.21 : 69,741,003,807.52 = 31,259,418,014.73 : x
  2. Step 2: Convert to fraction form
    50,556,126,477.21/69,741,003,807.52 = 31,259,418,014.73/x
  3. Step 3: Cross multiply
    50,556,126,477.21x = 69,741,003,807.52 × 31,259,418,014.73
  4. Step 4: Simplify right side
    50,556,126,477.21x = 2,180,063,190,786,144,206,848
  5. Step 5: Solve for x
    x = 2,180,063,190,786,144,206,848/50,556,126,477.21
  6. Step 6: Final answer
    x = 43,121,642,077.72

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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.