Home / 199,820,643.74-275,738,489.76-116,182,840.64

Finding the Fourth Proportional to 199,820,643.74, 275,738,489.76 and 116,182,840.64

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Solution

The fourth proportional to 199,820,643.74, 275,738,489.76 and 116,182,840.64 is: 160,324,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,820,643.74 : 275,738,489.76 = 116,182,840.64 : x
  2. Step 2: Convert to fraction form
    199,820,643.74/275,738,489.76 = 116,182,840.64/x
  3. Step 3: Cross multiply
    199,820,643.74x = 275,738,489.76 × 116,182,840.64
  4. Step 4: Simplify right side
    199,820,643.74x = 32,036,081,012,721,660
  5. Step 5: Solve for x
    x = 32,036,081,012,721,660/199,820,643.74
  6. Step 6: Final answer
    x = 160,324,180.79

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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.