Home / 213,718,200,212.25-320,631,562,492.96-98,934,619,770.43

Finding the Fourth Proportional to 213,718,200,212.25, 320,631,562,492.96 and 98,934,619,770.43

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Solution

The fourth proportional to 213,718,200,212.25, 320,631,562,492.96 and 98,934,619,770.43 is: 148,427,048,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,718,200,212.25 : 320,631,562,492.96 = 98,934,619,770.43 : x
  2. Step 2: Convert to fraction form
    213,718,200,212.25/320,631,562,492.96 = 98,934,619,770.43/x
  3. Step 3: Cross multiply
    213,718,200,212.25x = 320,631,562,492.96 × 98,934,619,770.43
  4. Step 4: Simplify right side
    213,718,200,212.25x = 31,721,561,721,639,222,116,352
  5. Step 5: Solve for x
    x = 31,721,561,721,639,222,116,352/213,718,200,212.25
  6. Step 6: Final answer
    x = 148,427,048,749.88

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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.