Home / 91,859,857,012.80-137,789,785,519.20-73,263,673,540.80

Finding the Fourth Proportional to 91,859,857,012.80, 137,789,785,519.20 and 73,263,673,540.80

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Solution

The fourth proportional to 91,859,857,012.80, 137,789,785,519.20 and 73,263,673,540.80 is: 109,895,510,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,859,857,012.80 : 137,789,785,519.20 = 73,263,673,540.80 : x
  2. Step 2: Convert to fraction form
    91,859,857,012.80/137,789,785,519.20 = 73,263,673,540.80/x
  3. Step 3: Cross multiply
    91,859,857,012.80x = 137,789,785,519.20 × 73,263,673,540.80
  4. Step 4: Simplify right side
    91,859,857,012.80x = 10,094,985,863,535,521,693,696
  5. Step 5: Solve for x
    x = 10,094,985,863,535,521,693,696/91,859,857,012.80
  6. Step 6: Final answer
    x = 109,895,510,311.20

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Double scale
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1.5x scale

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.