Home / 209,952,568.80-314,928,853.20-196,347,679.20

Finding the Fourth Proportional to 209,952,568.80, 314,928,853.20 and 196,347,679.20

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Solution

The fourth proportional to 209,952,568.80, 314,928,853.20 and 196,347,679.20 is: 294,521,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,568.80 : 314,928,853.20 = 196,347,679.20 : x
  2. Step 2: Convert to fraction form
    209,952,568.80/314,928,853.20 = 196,347,679.20/x
  3. Step 3: Cross multiply
    209,952,568.80x = 314,928,853.20 × 196,347,679.20
  4. Step 4: Simplify right side
    209,952,568.80x = 61,835,549,438,937,488
  5. Step 5: Solve for x
    x = 61,835,549,438,937,488/209,952,568.80
  6. Step 6: Final answer
    x = 294,521,518.80

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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.