Home / 213,718,200,229.04-320,631,562,517.84-98,934,619,787.12

Finding the Fourth Proportional to 213,718,200,229.04, 320,631,562,517.84 and 98,934,619,787.12

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Solution

The fourth proportional to 213,718,200,229.04, 320,631,562,517.84 and 98,934,619,787.12 is: 148,427,048,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,718,200,229.04 : 320,631,562,517.84 = 98,934,619,787.12 : x
  2. Step 2: Convert to fraction form
    213,718,200,229.04/320,631,562,517.84 = 98,934,619,787.12/x
  3. Step 3: Cross multiply
    213,718,200,229.04x = 320,631,562,517.84 × 98,934,619,787.12
  4. Step 4: Simplify right side
    213,718,200,229.04x = 31,721,561,729,452,698,763,264
  5. Step 5: Solve for x
    x = 31,721,561,729,452,698,763,264/213,718,200,229.04
  6. Step 6: Final answer
    x = 148,427,048,774.77

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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.