Home / 209,968,295.55-314,952,443.33-133,346,313.15

Finding the Fourth Proportional to 209,968,295.55, 314,952,443.33 and 133,346,313.15

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Solution

The fourth proportional to 209,968,295.55, 314,952,443.33 and 133,346,313.15 is: 200,019,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,968,295.55 : 314,952,443.33 = 133,346,313.15 : x
  2. Step 2: Convert to fraction form
    209,968,295.55/314,952,443.33 = 133,346,313.15/x
  3. Step 3: Cross multiply
    209,968,295.55x = 314,952,443.33 × 133,346,313.15
  4. Step 4: Simplify right side
    209,968,295.55x = 41,997,747,134,973,080
  5. Step 5: Solve for x
    x = 41,997,747,134,973,080/209,968,295.55
  6. Step 6: Final answer
    x = 200,019,469.73

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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.