Home / 72,796,932,577.44-100,451,066,438.97-40,239,748,239.66

Finding the Fourth Proportional to 72,796,932,577.44, 100,451,066,438.97 and 40,239,748,239.66

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Solution

The fourth proportional to 72,796,932,577.44, 100,451,066,438.97 and 40,239,748,239.66 is: 55,526,043,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,796,932,577.44 : 100,451,066,438.97 = 40,239,748,239.66 : x
  2. Step 2: Convert to fraction form
    72,796,932,577.44/100,451,066,438.97 = 40,239,748,239.66/x
  3. Step 3: Cross multiply
    72,796,932,577.44x = 100,451,066,438.97 × 40,239,748,239.66
  4. Step 4: Simplify right side
    72,796,932,577.44x = 4,042,125,623,909,513,428,992
  5. Step 5: Solve for x
    x = 4,042,125,623,909,513,428,992/72,796,932,577.44
  6. Step 6: Final answer
    x = 55,526,043,210.81

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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.