Home / 282,543,912.40-423,815,868.60-206,016,408.40

Finding the Fourth Proportional to 282,543,912.40, 423,815,868.60 and 206,016,408.40

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Solution

The fourth proportional to 282,543,912.40, 423,815,868.60 and 206,016,408.40 is: 309,024,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,543,912.40 : 423,815,868.60 = 206,016,408.40 : x
  2. Step 2: Convert to fraction form
    282,543,912.40/423,815,868.60 = 206,016,408.40/x
  3. Step 3: Cross multiply
    282,543,912.40x = 423,815,868.60 × 206,016,408.40
  4. Step 4: Simplify right side
    282,543,912.40x = 87,313,023,071,898,336
  5. Step 5: Solve for x
    x = 87,313,023,071,898,336/282,543,912.40
  6. Step 6: Final answer
    x = 309,024,612.60

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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.