Home / 199,288,661.10-298,932,991.65-122,362,248.30

Finding the Fourth Proportional to 199,288,661.10, 298,932,991.65 and 122,362,248.30

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Solution

The fourth proportional to 199,288,661.10, 298,932,991.65 and 122,362,248.30 is: 183,543,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,288,661.10 : 298,932,991.65 = 122,362,248.30 : x
  2. Step 2: Convert to fraction form
    199,288,661.10/298,932,991.65 = 122,362,248.30/x
  3. Step 3: Cross multiply
    199,288,661.10x = 298,932,991.65 × 122,362,248.30
  4. Step 4: Simplify right side
    199,288,661.10x = 36,578,112,949,339,120
  5. Step 5: Solve for x
    x = 36,578,112,949,339,120/199,288,661.10
  6. Step 6: Final answer
    x = 183,543,372.45

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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.