Home / 217,154,891.27-299,675,879.33-118,035,577.49

Finding the Fourth Proportional to 217,154,891.27, 299,675,879.33 and 118,035,577.49

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Solution

The fourth proportional to 217,154,891.27, 299,675,879.33 and 118,035,577.49 is: 162,890,254.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,154,891.27 : 299,675,879.33 = 118,035,577.49 : x
  2. Step 2: Convert to fraction form
    217,154,891.27/299,675,879.33 = 118,035,577.49/x
  3. Step 3: Cross multiply
    217,154,891.27x = 299,675,879.33 × 118,035,577.49
  4. Step 4: Simplify right side
    217,154,891.27x = 35,372,415,476,540,100
  5. Step 5: Solve for x
    x = 35,372,415,476,540,100/217,154,891.27
  6. Step 6: Final answer
    x = 162,890,254.37

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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.