Home / 111,775,231.80-167,662,847.70-105,539,657.40

Finding the Fourth Proportional to 111,775,231.80, 167,662,847.70 and 105,539,657.40

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Solution

The fourth proportional to 111,775,231.80, 167,662,847.70 and 105,539,657.40 is: 158,309,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,775,231.80 : 167,662,847.70 = 105,539,657.40 : x
  2. Step 2: Convert to fraction form
    111,775,231.80/167,662,847.70 = 105,539,657.40/x
  3. Step 3: Cross multiply
    111,775,231.80x = 167,662,847.70 × 105,539,657.40
  4. Step 4: Simplify right side
    111,775,231.80x = 17,695,079,504,966,378
  5. Step 5: Solve for x
    x = 17,695,079,504,966,378/111,775,231.80
  6. Step 6: Final answer
    x = 158,309,486.10

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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.