Home / 262,409,738.40-393,661,846.80-109,071,295.20

Finding the Fourth Proportional to 262,409,738.40, 393,661,846.80 and 109,071,295.20

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Solution

The fourth proportional to 262,409,738.40, 393,661,846.80 and 109,071,295.20 is: 163,626,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,409,738.40 : 393,661,846.80 = 109,071,295.20 : x
  2. Step 2: Convert to fraction form
    262,409,738.40/393,661,846.80 = 109,071,295.20/x
  3. Step 3: Cross multiply
    262,409,738.40x = 393,661,846.80 × 109,071,295.20
  4. Step 4: Simplify right side
    262,409,738.40x = 42,937,207,501,299,976
  5. Step 5: Solve for x
    x = 42,937,207,501,299,976/262,409,738.40
  6. Step 6: Final answer
    x = 163,626,577.90

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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.