Home / 217,546,889.66-300,205,512.42-118,425,573.74

Finding the Fourth Proportional to 217,546,889.66, 300,205,512.42 and 118,425,573.74

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Solution

The fourth proportional to 217,546,889.66, 300,205,512.42 and 118,425,573.74 is: 163,422,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,546,889.66 : 300,205,512.42 = 118,425,573.74 : x
  2. Step 2: Convert to fraction form
    217,546,889.66/300,205,512.42 = 118,425,573.74/x
  3. Step 3: Cross multiply
    217,546,889.66x = 300,205,512.42 × 118,425,573.74
  4. Step 4: Simplify right side
    217,546,889.66x = 35,552,010,048,249,196
  5. Step 5: Solve for x
    x = 35,552,010,048,249,196/217,546,889.66
  6. Step 6: Final answer
    x = 163,422,286.13

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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.