Home / 198,528,028.81-297,216,979.05-149,550,153.31

Finding the Fourth Proportional to 198,528,028.81, 297,216,979.05 and 149,550,153.31

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Solution

The fourth proportional to 198,528,028.81, 297,216,979.05 and 149,550,153.31 is: 223,892,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,528,028.81 : 297,216,979.05 = 149,550,153.31 : x
  2. Step 2: Convert to fraction form
    198,528,028.81/297,216,979.05 = 149,550,153.31/x
  3. Step 3: Cross multiply
    198,528,028.81x = 297,216,979.05 × 149,550,153.31
  4. Step 4: Simplify right side
    198,528,028.81x = 44,448,844,783,262,560
  5. Step 5: Solve for x
    x = 44,448,844,783,262,560/198,528,028.81
  6. Step 6: Final answer
    x = 223,892,037.06

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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.