Home / 325,157,440.70-487,594,443.45-131,004,328.70

Finding the Fourth Proportional to 325,157,440.70, 487,594,443.45 and 131,004,328.70

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Solution

The fourth proportional to 325,157,440.70, 487,594,443.45 and 131,004,328.70 is: 196,449,395.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,157,440.70 : 487,594,443.45 = 131,004,328.70 : x
  2. Step 2: Convert to fraction form
    325,157,440.70/487,594,443.45 = 131,004,328.70/x
  3. Step 3: Cross multiply
    325,157,440.70x = 487,594,443.45 × 131,004,328.70
  4. Step 4: Simplify right side
    325,157,440.70x = 63,876,982,742,017,360
  5. Step 5: Solve for x
    x = 63,876,982,742,017,360/325,157,440.70
  6. Step 6: Final answer
    x = 196,449,395.73

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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.