Home / 248,457,401.80-372,686,102.70-66,722,950.60

Finding the Fourth Proportional to 248,457,401.80, 372,686,102.70 and 66,722,950.60

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Solution

The fourth proportional to 248,457,401.80, 372,686,102.70 and 66,722,950.60 is: 100,084,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,457,401.80 : 372,686,102.70 = 66,722,950.60 : x
  2. Step 2: Convert to fraction form
    248,457,401.80/372,686,102.70 = 66,722,950.60/x
  3. Step 3: Cross multiply
    248,457,401.80x = 372,686,102.70 × 66,722,950.60
  4. Step 4: Simplify right side
    248,457,401.80x = 24,866,716,419,758,628
  5. Step 5: Solve for x
    x = 24,866,716,419,758,628/248,457,401.80
  6. Step 6: Final answer
    x = 100,084,425.90

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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.