Home / 210,090,147.30-315,135,220.95-137,530,736.10

Finding the Fourth Proportional to 210,090,147.30, 315,135,220.95 and 137,530,736.10

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Solution

The fourth proportional to 210,090,147.30, 315,135,220.95 and 137,530,736.10 is: 206,296,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,090,147.30 : 315,135,220.95 = 137,530,736.10 : x
  2. Step 2: Convert to fraction form
    210,090,147.30/315,135,220.95 = 137,530,736.10/x
  3. Step 3: Cross multiply
    210,090,147.30x = 315,135,220.95 × 137,530,736.10
  4. Step 4: Simplify right side
    210,090,147.30x = 43,340,778,908,289,640
  5. Step 5: Solve for x
    x = 43,340,778,908,289,640/210,090,147.30
  6. Step 6: Final answer
    x = 206,296,104.15

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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.