Home / 218,307,485.17-301,262,769.75-119,188,229.32

Finding the Fourth Proportional to 218,307,485.17, 301,262,769.75 and 119,188,229.32

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Solution

The fourth proportional to 218,307,485.17, 301,262,769.75 and 119,188,229.32 is: 164,478,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,307,485.17 : 301,262,769.75 = 119,188,229.32 : x
  2. Step 2: Convert to fraction form
    218,307,485.17/301,262,769.75 = 119,188,229.32/x
  3. Step 3: Cross multiply
    218,307,485.17x = 301,262,769.75 × 119,188,229.32
  4. Step 4: Simplify right side
    218,307,485.17x = 35,906,976,086,541,356
  5. Step 5: Solve for x
    x = 35,906,976,086,541,356/218,307,485.17
  6. Step 6: Final answer
    x = 164,478,904.87

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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.