Home / 209,961,348.40-314,942,022.60-197,206,764.40

Finding the Fourth Proportional to 209,961,348.40, 314,942,022.60 and 197,206,764.40

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Solution

The fourth proportional to 209,961,348.40, 314,942,022.60 and 197,206,764.40 is: 295,810,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,961,348.40 : 314,942,022.60 = 197,206,764.40 : x
  2. Step 2: Convert to fraction form
    209,961,348.40/314,942,022.60 = 197,206,764.40/x
  3. Step 3: Cross multiply
    209,961,348.40x = 314,942,022.60 × 197,206,764.40
  4. Step 4: Simplify right side
    209,961,348.40x = 62,108,697,250,537,680
  5. Step 5: Solve for x
    x = 62,108,697,250,537,680/209,961,348.40
  6. Step 6: Final answer
    x = 295,810,146.60

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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.