Home / 81,330,288,601.95-121,995,432,902.92-81,330,288,601.95

Finding the Fourth Proportional to 81,330,288,601.95, 121,995,432,902.92 and 81,330,288,601.95

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Solution

The fourth proportional to 81,330,288,601.95, 121,995,432,902.92 and 81,330,288,601.95 is: 121,995,432,902.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,330,288,601.95 : 121,995,432,902.92 = 81,330,288,601.95 : x
  2. Step 2: Convert to fraction form
    81,330,288,601.95/121,995,432,902.92 = 81,330,288,601.95/x
  3. Step 3: Cross multiply
    81,330,288,601.95x = 121,995,432,902.92 × 81,330,288,601.95
  4. Step 4: Simplify right side
    81,330,288,601.95x = 9,921,923,766,114,309,898,240
  5. Step 5: Solve for x
    x = 9,921,923,766,114,309,898,240/81,330,288,601.95
  6. Step 6: Final answer
    x = 121,995,432,902.92

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Double scale
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Similar ratio
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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.