Home / 199,725,345.95-275,629,489.47-111,619,341.03

Finding the Fourth Proportional to 199,725,345.95, 275,629,489.47 and 111,619,341.03

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Solution

The fourth proportional to 199,725,345.95, 275,629,489.47 and 111,619,341.03 is: 154,039,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,725,345.95 : 275,629,489.47 = 111,619,341.03 : x
  2. Step 2: Convert to fraction form
    199,725,345.95/275,629,489.47 = 111,619,341.03/x
  3. Step 3: Cross multiply
    199,725,345.95x = 275,629,489.47 × 111,619,341.03
  4. Step 4: Simplify right side
    199,725,345.95x = 30,765,581,983,076,728
  5. Step 5: Solve for x
    x = 30,765,581,983,076,728/199,725,345.95
  6. Step 6: Final answer
    x = 154,039,447.71

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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.