Home / 139,968,412.05-209,952,618.08-109,357,410.45

Finding the Fourth Proportional to 139,968,412.05, 209,952,618.08 and 109,357,410.45

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Solution

The fourth proportional to 139,968,412.05, 209,952,618.08 and 109,357,410.45 is: 164,036,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,412.05 : 209,952,618.08 = 109,357,410.45 : x
  2. Step 2: Convert to fraction form
    139,968,412.05/209,952,618.08 = 109,357,410.45/x
  3. Step 3: Cross multiply
    139,968,412.05x = 209,952,618.08 × 109,357,410.45
  4. Step 4: Simplify right side
    139,968,412.05x = 22,959,874,629,879,864
  5. Step 5: Solve for x
    x = 22,959,874,629,879,864/139,968,412.05
  6. Step 6: Final answer
    x = 164,036,115.68

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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.