Home / 209,952,212.10-314,928,318.15-133,613,664.90

Finding the Fourth Proportional to 209,952,212.10, 314,928,318.15 and 133,613,664.90

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Solution

The fourth proportional to 209,952,212.10, 314,928,318.15 and 133,613,664.90 is: 200,420,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,212.10 : 314,928,318.15 = 133,613,664.90 : x
  2. Step 2: Convert to fraction form
    209,952,212.10/314,928,318.15 = 133,613,664.90/x
  3. Step 3: Cross multiply
    209,952,212.10x = 314,928,318.15 × 133,613,664.90
  4. Step 4: Simplify right side
    209,952,212.10x = 42,078,726,768,814,688
  5. Step 5: Solve for x
    x = 42,078,726,768,814,688/209,952,212.10
  6. Step 6: Final answer
    x = 200,420,497.35

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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.