Home / 199,303,622.10-298,955,433.15-181,128,339.90

Finding the Fourth Proportional to 199,303,622.10, 298,955,433.15 and 181,128,339.90

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Solution

The fourth proportional to 199,303,622.10, 298,955,433.15 and 181,128,339.90 is: 271,692,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,303,622.10 : 298,955,433.15 = 181,128,339.90 : x
  2. Step 2: Convert to fraction form
    199,303,622.10/298,955,433.15 = 181,128,339.90/x
  3. Step 3: Cross multiply
    199,303,622.10x = 298,955,433.15 × 181,128,339.90
  4. Step 4: Simplify right side
    199,303,622.10x = 54,149,301,310,544,928
  5. Step 5: Solve for x
    x = 54,149,301,310,544,928/199,303,622.10
  6. Step 6: Final answer
    x = 271,692,509.85

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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.