Home / 190,846,000.30-286,269,000.45-161,284,758.70

Finding the Fourth Proportional to 190,846,000.30, 286,269,000.45 and 161,284,758.70

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Solution

The fourth proportional to 190,846,000.30, 286,269,000.45 and 161,284,758.70 is: 241,927,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,846,000.30 : 286,269,000.45 = 161,284,758.70 : x
  2. Step 2: Convert to fraction form
    190,846,000.30/286,269,000.45 = 161,284,758.70/x
  3. Step 3: Cross multiply
    190,846,000.30x = 286,269,000.45 × 161,284,758.70
  4. Step 4: Simplify right side
    190,846,000.30x = 46,170,826,660,868,440
  5. Step 5: Solve for x
    x = 46,170,826,660,868,440/190,846,000.30
  6. Step 6: Final answer
    x = 241,927,138.05

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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.