Home / 194,791,568-268,820,813.76-107,871,440

Finding the Fourth Proportional to 194,791,568, 268,820,813.76 and 107,871,440

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Solution

The fourth proportional to 194,791,568, 268,820,813.76 and 107,871,440 is: 148,867,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,791,568 : 268,820,813.76 = 107,871,440 : x
  2. Step 2: Convert to fraction form
    194,791,568/268,820,813.76 = 107,871,440/x
  3. Step 3: Cross multiply
    194,791,568x = 268,820,813.76 × 107,871,440
  4. Step 4: Simplify right side
    194,791,568x = 28,998,088,282,263,012
  5. Step 5: Solve for x
    x = 28,998,088,282,263,012/194,791,568
  6. Step 6: Final answer
    x = 148,867,266.59

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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.