Home / 209,723,467.16-289,542,385.60-186,454,198.24

Finding the Fourth Proportional to 209,723,467.16, 289,542,385.60 and 186,454,198.24

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Solution

The fourth proportional to 209,723,467.16, 289,542,385.60 and 186,454,198.24 is: 257,417,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,723,467.16 : 289,542,385.60 = 186,454,198.24 : x
  2. Step 2: Convert to fraction form
    209,723,467.16/289,542,385.60 = 186,454,198.24/x
  3. Step 3: Cross multiply
    209,723,467.16x = 289,542,385.60 × 186,454,198.24
  4. Step 4: Simplify right side
    209,723,467.16x = 53,986,393,363,544,928
  5. Step 5: Solve for x
    x = 53,986,393,363,544,928/209,723,467.16
  6. Step 6: Final answer
    x = 257,417,036.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.