Home / 209,968,280.55-314,952,420.83-133,346,298.15

Finding the Fourth Proportional to 209,968,280.55, 314,952,420.83 and 133,346,298.15

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Solution

The fourth proportional to 209,968,280.55, 314,952,420.83 and 133,346,298.15 is: 200,019,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,968,280.55 : 314,952,420.83 = 133,346,298.15 : x
  2. Step 2: Convert to fraction form
    209,968,280.55/314,952,420.83 = 133,346,298.15/x
  3. Step 3: Cross multiply
    209,968,280.55x = 314,952,420.83 × 133,346,298.15
  4. Step 4: Simplify right side
    209,968,280.55x = 41,997,739,410,394,720
  5. Step 5: Solve for x
    x = 41,997,739,410,394,720/209,968,280.55
  6. Step 6: Final answer
    x = 200,019,447.23

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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.