Home / 74,324,014.40-111,486,021.60-19,736,494.40

Finding the Fourth Proportional to 74,324,014.40, 111,486,021.60 and 19,736,494.40

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Solution

The fourth proportional to 74,324,014.40, 111,486,021.60 and 19,736,494.40 is: 29,604,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,324,014.40 : 111,486,021.60 = 19,736,494.40 : x
  2. Step 2: Convert to fraction form
    74,324,014.40/111,486,021.60 = 19,736,494.40/x
  3. Step 3: Cross multiply
    74,324,014.40x = 111,486,021.60 × 19,736,494.40
  4. Step 4: Simplify right side
    74,324,014.40x = 2,200,343,240,986,678.75
  5. Step 5: Solve for x
    x = 2,200,343,240,986,678.75/74,324,014.40
  6. Step 6: Final answer
    x = 29,604,741.60

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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.