Home / 261,504,263.20-392,256,394.80-170,804,999.20

Finding the Fourth Proportional to 261,504,263.20, 392,256,394.80 and 170,804,999.20

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Solution

The fourth proportional to 261,504,263.20, 392,256,394.80 and 170,804,999.20 is: 256,207,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,504,263.20 : 392,256,394.80 = 170,804,999.20 : x
  2. Step 2: Convert to fraction form
    261,504,263.20/392,256,394.80 = 170,804,999.20/x
  3. Step 3: Cross multiply
    261,504,263.20x = 392,256,394.80 × 170,804,999.20
  4. Step 4: Simplify right side
    261,504,263.20x = 66,999,353,200,008,880
  5. Step 5: Solve for x
    x = 66,999,353,200,008,880/261,504,263.20
  6. Step 6: Final answer
    x = 256,207,498.80

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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.