Home / 290,233,888.52-435,348,122.14-117,669,680.52

Finding the Fourth Proportional to 290,233,888.52, 435,348,122.14 and 117,669,680.52

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Solution

The fourth proportional to 290,233,888.52, 435,348,122.14 and 117,669,680.52 is: 176,503,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,233,888.52 : 435,348,122.14 = 117,669,680.52 : x
  2. Step 2: Convert to fraction form
    290,233,888.52/435,348,122.14 = 117,669,680.52/x
  3. Step 3: Cross multiply
    290,233,888.52x = 435,348,122.14 × 117,669,680.52
  4. Step 4: Simplify right side
    290,233,888.52x = 51,227,274,447,195,736
  5. Step 5: Solve for x
    x = 51,227,274,447,195,736/290,233,888.52
  6. Step 6: Final answer
    x = 176,503,421.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.