Home / 213,355,362.30-320,033,043.45-204,397,410.30

Finding the Fourth Proportional to 213,355,362.30, 320,033,043.45 and 204,397,410.30

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Solution

The fourth proportional to 213,355,362.30, 320,033,043.45 and 204,397,410.30 is: 306,596,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,355,362.30 : 320,033,043.45 = 204,397,410.30 : x
  2. Step 2: Convert to fraction form
    213,355,362.30/320,033,043.45 = 204,397,410.30/x
  3. Step 3: Cross multiply
    213,355,362.30x = 320,033,043.45 × 204,397,410.30
  4. Step 4: Simplify right side
    213,355,362.30x = 65,413,925,291,607,376
  5. Step 5: Solve for x
    x = 65,413,925,291,607,376/213,355,362.30
  6. Step 6: Final answer
    x = 306,596,115.45

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1.5x scale

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.