Home / 43,735,668.74-65,578,122.39-20,706,408.79

Finding the Fourth Proportional to 43,735,668.74, 65,578,122.39 and 20,706,408.79

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Solution

The fourth proportional to 43,735,668.74, 65,578,122.39 and 20,706,408.79 is: 31,047,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,735,668.74 : 65,578,122.39 = 20,706,408.79 : x
  2. Step 2: Convert to fraction form
    43,735,668.74/65,578,122.39 = 20,706,408.79/x
  3. Step 3: Cross multiply
    43,735,668.74x = 65,578,122.39 × 20,706,408.79
  4. Step 4: Simplify right side
    43,735,668.74x = 1,357,887,409,724,046.50
  5. Step 5: Solve for x
    x = 1,357,887,409,724,046.50/43,735,668.74
  6. Step 6: Final answer
    x = 31,047,596.82

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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.