Home / 147,024,179.80-220,536,269.70-139,969,792.60

Finding the Fourth Proportional to 147,024,179.80, 220,536,269.70 and 139,969,792.60

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Solution

The fourth proportional to 147,024,179.80, 220,536,269.70 and 139,969,792.60 is: 209,954,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,024,179.80 : 220,536,269.70 = 139,969,792.60 : x
  2. Step 2: Convert to fraction form
    147,024,179.80/220,536,269.70 = 139,969,792.60/x
  3. Step 3: Cross multiply
    147,024,179.80x = 220,536,269.70 × 139,969,792.60
  4. Step 4: Simplify right side
    147,024,179.80x = 30,868,415,930,686,660
  5. Step 5: Solve for x
    x = 30,868,415,930,686,660/147,024,179.80
  6. Step 6: Final answer
    x = 209,954,688.90

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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.