Home / 278,026,485.51-383,651,192.44-164,976,498.09

Finding the Fourth Proportional to 278,026,485.51, 383,651,192.44 and 164,976,498.09

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Solution

The fourth proportional to 278,026,485.51, 383,651,192.44 and 164,976,498.09 is: 227,652,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,026,485.51 : 383,651,192.44 = 164,976,498.09 : x
  2. Step 2: Convert to fraction form
    278,026,485.51/383,651,192.44 = 164,976,498.09/x
  3. Step 3: Cross multiply
    278,026,485.51x = 383,651,192.44 × 164,976,498.09
  4. Step 4: Simplify right side
    278,026,485.51x = 63,293,430,216,803,880
  5. Step 5: Solve for x
    x = 63,293,430,216,803,880/278,026,485.51
  6. Step 6: Final answer
    x = 227,652,520.59

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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.