Home / 86,066,314,968.72-118,771,927,179.04-47,485,232,904.64

Finding the Fourth Proportional to 86,066,314,968.72, 118,771,927,179.04 and 47,485,232,904.64

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Solution

The fourth proportional to 86,066,314,968.72, 118,771,927,179.04 and 47,485,232,904.64 is: 65,529,849,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,066,314,968.72 : 118,771,927,179.04 = 47,485,232,904.64 : x
  2. Step 2: Convert to fraction form
    86,066,314,968.72/118,771,927,179.04 = 47,485,232,904.64/x
  3. Step 3: Cross multiply
    86,066,314,968.72x = 118,771,927,179.04 × 47,485,232,904.64
  4. Step 4: Simplify right side
    86,066,314,968.72x = 5,639,912,624,629,655,535,616
  5. Step 5: Solve for x
    x = 5,639,912,624,629,655,535,616/86,066,314,968.72
  6. Step 6: Final answer
    x = 65,529,849,008.63

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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.