Home / 203,039,066,928.28-280,200,631,997.24-111,590,859,177.45

Finding the Fourth Proportional to 203,039,066,928.28, 280,200,631,997.24 and 111,590,859,177.45

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Solution

The fourth proportional to 203,039,066,928.28, 280,200,631,997.24 and 111,590,859,177.45 is: 153,999,078,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,039,066,928.28 : 280,200,631,997.24 = 111,590,859,177.45 : x
  2. Step 2: Convert to fraction form
    203,039,066,928.28/280,200,631,997.24 = 111,590,859,177.45/x
  3. Step 3: Cross multiply
    203,039,066,928.28x = 280,200,631,997.24 × 111,590,859,177.45
  4. Step 4: Simplify right side
    203,039,066,928.28x = 31,267,829,266,636,498,534,400
  5. Step 5: Solve for x
    x = 31,267,829,266,636,498,534,400/203,039,066,928.28
  6. Step 6: Final answer
    x = 153,999,078,796.40

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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.