Home / 354,427,957.60-531,264,022.80-135,993,896.80

Finding the Fourth Proportional to 354,427,957.60, 531,264,022.80 and 135,993,896.80

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Solution

The fourth proportional to 354,427,957.60, 531,264,022.80 and 135,993,896.80 is: 203,845,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,427,957.60 : 531,264,022.80 = 135,993,896.80 : x
  2. Step 2: Convert to fraction form
    354,427,957.60/531,264,022.80 = 135,993,896.80/x
  3. Step 3: Cross multiply
    354,427,957.60x = 531,264,022.80 × 135,993,896.80
  4. Step 4: Simplify right side
    354,427,957.60x = 72,248,664,690,216,048
  5. Step 5: Solve for x
    x = 72,248,664,690,216,048/354,427,957.60
  6. Step 6: Final answer
    x = 203,845,839.87

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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.