Home / 261,751,271.96-392,584,319.76-123,576,611.96

Finding the Fourth Proportional to 261,751,271.96, 392,584,319.76 and 123,576,611.96

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Solution

The fourth proportional to 261,751,271.96, 392,584,319.76 and 123,576,611.96 is: 185,344,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,751,271.96 : 392,584,319.76 = 123,576,611.96 : x
  2. Step 2: Convert to fraction form
    261,751,271.96/392,584,319.76 = 123,576,611.96/x
  3. Step 3: Cross multiply
    261,751,271.96x = 392,584,319.76 × 123,576,611.96
  4. Step 4: Simplify right side
    261,751,271.96x = 48,514,240,144,562,080
  5. Step 5: Solve for x
    x = 48,514,240,144,562,080/261,751,271.96
  6. Step 6: Final answer
    x = 185,344,811.44

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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.