Home / 248,998,515.40-373,553,760.30-76,483,289.80

Finding the Fourth Proportional to 248,998,515.40, 373,553,760.30 and 76,483,289.80

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Solution

The fourth proportional to 248,998,515.40, 373,553,760.30 and 76,483,289.80 is: 114,742,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,998,515.40 : 373,553,760.30 = 76,483,289.80 : x
  2. Step 2: Convert to fraction form
    248,998,515.40/373,553,760.30 = 76,483,289.80/x
  3. Step 3: Cross multiply
    248,998,515.40x = 373,553,760.30 × 76,483,289.80
  4. Step 4: Simplify right side
    248,998,515.40x = 28,570,620,504,904,636
  5. Step 5: Solve for x
    x = 28,570,620,504,904,636/248,998,515.40
  6. Step 6: Final answer
    x = 114,742,131.93

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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.