Home / 209,952,446.80-314,928,670.20-196,515,518.80

Finding the Fourth Proportional to 209,952,446.80, 314,928,670.20 and 196,515,518.80

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Solution

The fourth proportional to 209,952,446.80, 314,928,670.20 and 196,515,518.80 is: 294,773,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,446.80 : 314,928,670.20 = 196,515,518.80 : x
  2. Step 2: Convert to fraction form
    209,952,446.80/314,928,670.20 = 196,515,518.80/x
  3. Step 3: Cross multiply
    209,952,446.80x = 314,928,670.20 × 196,515,518.80
  4. Step 4: Simplify right side
    209,952,446.80x = 61,888,371,009,347,104
  5. Step 5: Solve for x
    x = 61,888,371,009,347,104/209,952,446.80
  6. Step 6: Final answer
    x = 294,773,278.20

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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.