Home / 197,978,453.19-296,967,680.28-105,582,265.47

Finding the Fourth Proportional to 197,978,453.19, 296,967,680.28 and 105,582,265.47

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Solution

The fourth proportional to 197,978,453.19, 296,967,680.28 and 105,582,265.47 is: 158,373,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,978,453.19 : 296,967,680.28 = 105,582,265.47 : x
  2. Step 2: Convert to fraction form
    197,978,453.19/296,967,680.28 = 105,582,265.47/x
  3. Step 3: Cross multiply
    197,978,453.19x = 296,967,680.28 × 105,582,265.47
  4. Step 4: Simplify right side
    197,978,453.19x = 31,354,520,455,333,040
  5. Step 5: Solve for x
    x = 31,354,520,455,333,040/197,978,453.19
  6. Step 6: Final answer
    x = 158,373,398.47

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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.