Home / 210,638,246.40-315,957,369.60-197,883,662.40

Finding the Fourth Proportional to 210,638,246.40, 315,957,369.60 and 197,883,662.40

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Solution

The fourth proportional to 210,638,246.40, 315,957,369.60 and 197,883,662.40 is: 296,825,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,638,246.40 : 315,957,369.60 = 197,883,662.40 : x
  2. Step 2: Convert to fraction form
    210,638,246.40/315,957,369.60 = 197,883,662.40/x
  3. Step 3: Cross multiply
    210,638,246.40x = 315,957,369.60 × 197,883,662.40
  4. Step 4: Simplify right side
    210,638,246.40x = 62,522,801,458,718,432
  5. Step 5: Solve for x
    x = 62,522,801,458,718,432/210,638,246.40
  6. Step 6: Final answer
    x = 296,825,493.60

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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.