Home / 74,466,914.40-111,700,371.60-20,614,226.40

Finding the Fourth Proportional to 74,466,914.40, 111,700,371.60 and 20,614,226.40

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Solution

The fourth proportional to 74,466,914.40, 111,700,371.60 and 20,614,226.40 is: 30,921,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,466,914.40 : 111,700,371.60 = 20,614,226.40 : x
  2. Step 2: Convert to fraction form
    74,466,914.40/111,700,371.60 = 20,614,226.40/x
  3. Step 3: Cross multiply
    74,466,914.40x = 111,700,371.60 × 20,614,226.40
  4. Step 4: Simplify right side
    74,466,914.40x = 2,302,616,749,126,530
  5. Step 5: Solve for x
    x = 2,302,616,749,126,530/74,466,914.40
  6. Step 6: Final answer
    x = 30,921,339.60

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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.