Home / 236,212,366.40-354,318,549.60-213,537,550.40

Finding the Fourth Proportional to 236,212,366.40, 354,318,549.60 and 213,537,550.40

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Solution

The fourth proportional to 236,212,366.40, 354,318,549.60 and 213,537,550.40 is: 320,306,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,212,366.40 : 354,318,549.60 = 213,537,550.40 : x
  2. Step 2: Convert to fraction form
    236,212,366.40/354,318,549.60 = 213,537,550.40/x
  3. Step 3: Cross multiply
    236,212,366.40x = 354,318,549.60 × 213,537,550.40
  4. Step 4: Simplify right side
    236,212,366.40x = 75,660,315,142,864,912
  5. Step 5: Solve for x
    x = 75,660,315,142,864,912/236,212,366.40
  6. Step 6: Final answer
    x = 320,306,325.60

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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.