Home / 109,036,701.45-163,555,052.18-72,756,995.85

Finding the Fourth Proportional to 109,036,701.45, 163,555,052.18 and 72,756,995.85

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Solution

The fourth proportional to 109,036,701.45, 163,555,052.18 and 72,756,995.85 is: 109,135,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,036,701.45 : 163,555,052.18 = 72,756,995.85 : x
  2. Step 2: Convert to fraction form
    109,036,701.45/163,555,052.18 = 72,756,995.85/x
  3. Step 3: Cross multiply
    109,036,701.45x = 163,555,052.18 × 72,756,995.85
  4. Step 4: Simplify right side
    109,036,701.45x = 11,899,774,252,343,008
  5. Step 5: Solve for x
    x = 11,899,774,252,343,008/109,036,701.45
  6. Step 6: Final answer
    x = 109,135,493.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.