Home / 65,229,492,221.76-90,015,288,370.80-37,764,236,965.92

Finding the Fourth Proportional to 65,229,492,221.76, 90,015,288,370.80 and 37,764,236,965.92

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Solution

The fourth proportional to 65,229,492,221.76, 90,015,288,370.80 and 37,764,236,965.92 is: 52,113,830,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,229,492,221.76 : 90,015,288,370.80 = 37,764,236,965.92 : x
  2. Step 2: Convert to fraction form
    65,229,492,221.76/90,015,288,370.80 = 37,764,236,965.92/x
  3. Step 3: Cross multiply
    65,229,492,221.76x = 90,015,288,370.80 × 37,764,236,965.92
  4. Step 4: Simplify right side
    65,229,492,221.76x = 3,399,358,680,590,514,126,848
  5. Step 5: Solve for x
    x = 3,399,358,680,590,514,126,848/65,229,492,221.76
  6. Step 6: Final answer
    x = 52,113,830,183.34

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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.