Home / 203,039,066,982.98-280,200,632,072.84-111,590,859,232.20

Finding the Fourth Proportional to 203,039,066,982.98, 280,200,632,072.84 and 111,590,859,232.20

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Solution

The fourth proportional to 203,039,066,982.98, 280,200,632,072.84 and 111,590,859,232.20 is: 153,999,078,872.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,039,066,982.98 : 280,200,632,072.84 = 111,590,859,232.20 : x
  2. Step 2: Convert to fraction form
    203,039,066,982.98/280,200,632,072.84 = 111,590,859,232.20/x
  3. Step 3: Cross multiply
    203,039,066,982.98x = 280,200,632,072.84 × 111,590,859,232.20
  4. Step 4: Simplify right side
    203,039,066,982.98x = 31,267,829,290,413,756,252,160
  5. Step 5: Solve for x
    x = 31,267,829,290,413,756,252,160/203,039,066,982.98
  6. Step 6: Final answer
    x = 153,999,078,872.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.