Home / 129,479,632.33-194,088,552.90-55,751,493.81

Finding the Fourth Proportional to 129,479,632.33, 194,088,552.90 and 55,751,493.81

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Solution

The fourth proportional to 129,479,632.33, 194,088,552.90 and 55,751,493.81 is: 83,570,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,479,632.33 : 194,088,552.90 = 55,751,493.81 : x
  2. Step 2: Convert to fraction form
    129,479,632.33/194,088,552.90 = 55,751,493.81/x
  3. Step 3: Cross multiply
    129,479,632.33x = 194,088,552.90 × 55,751,493.81
  4. Step 4: Simplify right side
    129,479,632.33x = 10,820,726,754,347,008
  5. Step 5: Solve for x
    x = 10,820,726,754,347,008/129,479,632.33
  6. Step 6: Final answer
    x = 83,570,879.52

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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.