Home / 209,928,086.60-314,892,129.90-133,589,539.40

Finding the Fourth Proportional to 209,928,086.60, 314,892,129.90 and 133,589,539.40

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Solution

The fourth proportional to 209,928,086.60, 314,892,129.90 and 133,589,539.40 is: 200,384,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,928,086.60 : 314,892,129.90 = 133,589,539.40 : x
  2. Step 2: Convert to fraction form
    209,928,086.60/314,892,129.90 = 133,589,539.40/x
  3. Step 3: Cross multiply
    209,928,086.60x = 314,892,129.90 × 133,589,539.40
  4. Step 4: Simplify right side
    209,928,086.60x = 42,066,294,594,025,968
  5. Step 5: Solve for x
    x = 42,066,294,594,025,968/209,928,086.60
  6. Step 6: Final answer
    x = 200,384,309.10

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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.