Home / 277,066,628.70-415,664,619.93-80,334,157.02

Finding the Fourth Proportional to 277,066,628.70, 415,664,619.93 and 80,334,157.02

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Solution

The fourth proportional to 277,066,628.70, 415,664,619.93 and 80,334,157.02 is: 120,519,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,066,628.70 : 415,664,619.93 = 80,334,157.02 : x
  2. Step 2: Convert to fraction form
    277,066,628.70/415,664,619.93 = 80,334,157.02/x
  3. Step 3: Cross multiply
    277,066,628.70x = 415,664,619.93 × 80,334,157.02
  4. Step 4: Simplify right side
    277,066,628.70x = 33,392,066,845,115,240
  5. Step 5: Solve for x
    x = 33,392,066,845,115,240/277,066,628.70
  6. Step 6: Final answer
    x = 120,519,988.29

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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.