Home / 111,990,164.40-167,985,246.60-31,211,132.40

Finding the Fourth Proportional to 111,990,164.40, 167,985,246.60 and 31,211,132.40

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Solution

The fourth proportional to 111,990,164.40, 167,985,246.60 and 31,211,132.40 is: 46,816,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,990,164.40 : 167,985,246.60 = 31,211,132.40 : x
  2. Step 2: Convert to fraction form
    111,990,164.40/167,985,246.60 = 31,211,132.40/x
  3. Step 3: Cross multiply
    111,990,164.40x = 167,985,246.60 × 31,211,132.40
  4. Step 4: Simplify right side
    111,990,164.40x = 5,243,009,772,879,249
  5. Step 5: Solve for x
    x = 5,243,009,772,879,249/111,990,164.40
  6. Step 6: Final answer
    x = 46,816,698.60

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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.