Home / 210,627,849.24-290,668,274.28-117,816,993

Finding the Fourth Proportional to 210,627,849.24, 290,668,274.28 and 117,816,993

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Solution

The fourth proportional to 210,627,849.24, 290,668,274.28 and 117,816,993 is: 162,588,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,627,849.24 : 290,668,274.28 = 117,816,993 : x
  2. Step 2: Convert to fraction form
    210,627,849.24/290,668,274.28 = 117,816,993/x
  3. Step 3: Cross multiply
    210,627,849.24x = 290,668,274.28 × 117,816,993
  4. Step 4: Simplify right side
    210,627,849.24x = 34,245,662,036,168,836
  5. Step 5: Solve for x
    x = 34,245,662,036,168,836/210,627,849.24
  6. Step 6: Final answer
    x = 162,588,480.87

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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.