Home / 199,725,374.64-275,629,529.12-111,619,369.76

Finding the Fourth Proportional to 199,725,374.64, 275,629,529.12 and 111,619,369.76

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Solution

The fourth proportional to 199,725,374.64, 275,629,529.12 and 111,619,369.76 is: 154,039,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,725,374.64 : 275,629,529.12 = 111,619,369.76 : x
  2. Step 2: Convert to fraction form
    199,725,374.64/275,629,529.12 = 111,619,369.76/x
  3. Step 3: Cross multiply
    199,725,374.64x = 275,629,529.12 × 111,619,369.76
  4. Step 4: Simplify right side
    199,725,374.64x = 30,765,594,327,619,968
  5. Step 5: Solve for x
    x = 30,765,594,327,619,968/199,725,374.64
  6. Step 6: Final answer
    x = 154,039,487.39

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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.