Home / 86,066,314,958.72-118,771,927,165.24-47,485,232,894.64

Finding the Fourth Proportional to 86,066,314,958.72, 118,771,927,165.24 and 47,485,232,894.64

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Solution

The fourth proportional to 86,066,314,958.72, 118,771,927,165.24 and 47,485,232,894.64 is: 65,529,848,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,066,314,958.72 : 118,771,927,165.24 = 47,485,232,894.64 : x
  2. Step 2: Convert to fraction form
    86,066,314,958.72/118,771,927,165.24 = 47,485,232,894.64/x
  3. Step 3: Cross multiply
    86,066,314,958.72x = 118,771,927,165.24 × 47,485,232,894.64
  4. Step 4: Simplify right side
    86,066,314,958.72x = 5,639,912,622,786,640,609,280
  5. Step 5: Solve for x
    x = 5,639,912,622,786,640,609,280/86,066,314,958.72
  6. Step 6: Final answer
    x = 65,529,848,994.83

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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.