Home / 209,952,209.10-314,928,313.65-133,613,661.90

Finding the Fourth Proportional to 209,952,209.10, 314,928,313.65 and 133,613,661.90

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Solution

The fourth proportional to 209,952,209.10, 314,928,313.65 and 133,613,661.90 is: 200,420,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,209.10 : 314,928,313.65 = 133,613,661.90 : x
  2. Step 2: Convert to fraction form
    209,952,209.10/314,928,313.65 = 133,613,661.90/x
  3. Step 3: Cross multiply
    209,952,209.10x = 314,928,313.65 × 133,613,661.90
  4. Step 4: Simplify right side
    209,952,209.10x = 42,078,725,222,768,256
  5. Step 5: Solve for x
    x = 42,078,725,222,768,256/209,952,209.10
  6. Step 6: Final answer
    x = 200,420,492.85

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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.