Home / 69,125,646.20-103,688,469.30-43,483,508.60

Finding the Fourth Proportional to 69,125,646.20, 103,688,469.30 and 43,483,508.60

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Solution

The fourth proportional to 69,125,646.20, 103,688,469.30 and 43,483,508.60 is: 65,225,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,125,646.20 : 103,688,469.30 = 43,483,508.60 : x
  2. Step 2: Convert to fraction form
    69,125,646.20/103,688,469.30 = 43,483,508.60/x
  3. Step 3: Cross multiply
    69,125,646.20x = 103,688,469.30 × 43,483,508.60
  4. Step 4: Simplify right side
    69,125,646.20x = 4,508,738,446,527,386
  5. Step 5: Solve for x
    x = 4,508,738,446,527,386/69,125,646.20
  6. Step 6: Final answer
    x = 65,225,262.90

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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.