Home / 209,284,827.10-313,716,210.33-131,617,237.26

Finding the Fourth Proportional to 209,284,827.10, 313,716,210.33 and 131,617,237.26

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Solution

The fourth proportional to 209,284,827.10, 313,716,210.33 and 131,617,237.26 is: 197,293,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,284,827.10 : 313,716,210.33 = 131,617,237.26 : x
  2. Step 2: Convert to fraction form
    209,284,827.10/313,716,210.33 = 131,617,237.26/x
  3. Step 3: Cross multiply
    209,284,827.10x = 313,716,210.33 × 131,617,237.26
  4. Step 4: Simplify right side
    209,284,827.10x = 41,290,460,888,982,992
  5. Step 5: Solve for x
    x = 41,290,460,888,982,992/209,284,827.10
  6. Step 6: Final answer
    x = 197,293,140.94

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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.