Home / 217,836,040.56-300,613,783.32-118,716,811.44

Finding the Fourth Proportional to 217,836,040.56, 300,613,783.32 and 118,716,811.44

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Solution

The fourth proportional to 217,836,040.56, 300,613,783.32 and 118,716,811.44 is: 163,829,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,836,040.56 : 300,613,783.32 = 118,716,811.44 : x
  2. Step 2: Convert to fraction form
    217,836,040.56/300,613,783.32 = 118,716,811.44/x
  3. Step 3: Cross multiply
    217,836,040.56x = 300,613,783.32 × 118,716,811.44
  4. Step 4: Simplify right side
    217,836,040.56x = 35,687,909,830,665,456
  5. Step 5: Solve for x
    x = 35,687,909,830,665,456/217,836,040.56
  6. Step 6: Final answer
    x = 163,829,225.59

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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.