Home / 209,026,635.51-288,457,878.60-114,946,849.06

Finding the Fourth Proportional to 209,026,635.51, 288,457,878.60 and 114,946,849.06

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Solution

The fourth proportional to 209,026,635.51, 288,457,878.60 and 114,946,849.06 is: 158,627,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,026,635.51 : 288,457,878.60 = 114,946,849.06 : x
  2. Step 2: Convert to fraction form
    209,026,635.51/288,457,878.60 = 114,946,849.06/x
  3. Step 3: Cross multiply
    209,026,635.51x = 288,457,878.60 × 114,946,849.06
  4. Step 4: Simplify right side
    209,026,635.51x = 33,157,324,232,323,152
  5. Step 5: Solve for x
    x = 33,157,324,232,323,152/209,026,635.51
  6. Step 6: Final answer
    x = 158,627,268.49

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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.