Home / 198,528,025.81-297,216,974.55-149,550,150.31

Finding the Fourth Proportional to 198,528,025.81, 297,216,974.55 and 149,550,150.31

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Solution

The fourth proportional to 198,528,025.81, 297,216,974.55 and 149,550,150.31 is: 223,892,032.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,528,025.81 : 297,216,974.55 = 149,550,150.31 : x
  2. Step 2: Convert to fraction form
    198,528,025.81/297,216,974.55 = 149,550,150.31/x
  3. Step 3: Cross multiply
    198,528,025.81x = 297,216,974.55 × 149,550,150.31
  4. Step 4: Simplify right side
    198,528,025.81x = 44,448,843,218,635,944
  5. Step 5: Solve for x
    x = 44,448,843,218,635,944/198,528,025.81
  6. Step 6: Final answer
    x = 223,892,032.56

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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.