Home / 209,928,608.10-314,892,912.15-133,590,060.90

Finding the Fourth Proportional to 209,928,608.10, 314,892,912.15 and 133,590,060.90

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Solution

The fourth proportional to 209,928,608.10, 314,892,912.15 and 133,590,060.90 is: 200,385,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,928,608.10 : 314,892,912.15 = 133,590,060.90 : x
  2. Step 2: Convert to fraction form
    209,928,608.10/314,892,912.15 = 133,590,060.90/x
  3. Step 3: Cross multiply
    209,928,608.10x = 314,892,912.15 × 133,590,060.90
  4. Step 4: Simplify right side
    209,928,608.10x = 42,066,563,311,096,848
  5. Step 5: Solve for x
    x = 42,066,563,311,096,848/209,928,608.10
  6. Step 6: Final answer
    x = 200,385,091.35

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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.