Home / 86,066,314,974.72-118,771,927,187.40-47,485,232,910.54

Finding the Fourth Proportional to 86,066,314,974.72, 118,771,927,187.40 and 47,485,232,910.54

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Solution

The fourth proportional to 86,066,314,974.72, 118,771,927,187.40 and 47,485,232,910.54 is: 65,529,849,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,066,314,974.72 : 118,771,927,187.40 = 47,485,232,910.54 : x
  2. Step 2: Convert to fraction form
    86,066,314,974.72/118,771,927,187.40 = 47,485,232,910.54/x
  3. Step 3: Cross multiply
    86,066,314,974.72x = 118,771,927,187.40 × 47,485,232,910.54
  4. Step 4: Simplify right side
    86,066,314,974.72x = 5,639,912,625,727,386,681,344
  5. Step 5: Solve for x
    x = 5,639,912,625,727,386,681,344/86,066,314,974.72
  6. Step 6: Final answer
    x = 65,529,849,016.82

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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.