Home / 149,291,990,357.04-206,022,964,160.88-81,626,626,412.28

Finding the Fourth Proportional to 149,291,990,357.04, 206,022,964,160.88 and 81,626,626,412.28

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Solution

The fourth proportional to 149,291,990,357.04, 206,022,964,160.88 and 81,626,626,412.28 is: 112,644,753,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,291,990,357.04 : 206,022,964,160.88 = 81,626,626,412.28 : x
  2. Step 2: Convert to fraction form
    149,291,990,357.04/206,022,964,160.88 = 81,626,626,412.28/x
  3. Step 3: Cross multiply
    149,291,990,357.04x = 206,022,964,160.88 × 81,626,626,412.28
  4. Step 4: Simplify right side
    149,291,990,357.04x = 16,816,959,527,910,702,579,712
  5. Step 5: Solve for x
    x = 16,816,959,527,910,702,579,712/149,291,990,357.04
  6. Step 6: Final answer
    x = 112,644,753,999.81

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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.