Home / 209,952,176.80-314,928,265.20-193,371,217.60

Finding the Fourth Proportional to 209,952,176.80, 314,928,265.20 and 193,371,217.60

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Solution

The fourth proportional to 209,952,176.80, 314,928,265.20 and 193,371,217.60 is: 290,056,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,176.80 : 314,928,265.20 = 193,371,217.60 : x
  2. Step 2: Convert to fraction form
    209,952,176.80/314,928,265.20 = 193,371,217.60/x
  3. Step 3: Cross multiply
    209,952,176.80x = 314,928,265.20 × 193,371,217.60
  4. Step 4: Simplify right side
    209,952,176.80x = 60,898,062,098,379,704
  5. Step 5: Solve for x
    x = 60,898,062,098,379,704/209,952,176.80
  6. Step 6: Final answer
    x = 290,056,826.40

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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.