Home / 209,952,549.80-314,928,824.70-132,858,175.40

Finding the Fourth Proportional to 209,952,549.80, 314,928,824.70 and 132,858,175.40

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Solution

The fourth proportional to 209,952,549.80, 314,928,824.70 and 132,858,175.40 is: 199,287,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,549.80 : 314,928,824.70 = 132,858,175.40 : x
  2. Step 2: Convert to fraction form
    209,952,549.80/314,928,824.70 = 132,858,175.40/x
  3. Step 3: Cross multiply
    209,952,549.80x = 314,928,824.70 × 132,858,175.40
  4. Step 4: Simplify right side
    209,952,549.80x = 41,840,869,030,508,456
  5. Step 5: Solve for x
    x = 41,840,869,030,508,456/209,952,549.80
  6. Step 6: Final answer
    x = 199,287,263.10

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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.