Home / 248,833,361.80-373,250,042.70-212,553,656.20

Finding the Fourth Proportional to 248,833,361.80, 373,250,042.70 and 212,553,656.20

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Solution

The fourth proportional to 248,833,361.80, 373,250,042.70 and 212,553,656.20 is: 318,830,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,833,361.80 : 373,250,042.70 = 212,553,656.20 : x
  2. Step 2: Convert to fraction form
    248,833,361.80/373,250,042.70 = 212,553,656.20/x
  3. Step 3: Cross multiply
    248,833,361.80x = 373,250,042.70 × 212,553,656.20
  4. Step 4: Simplify right side
    248,833,361.80x = 79,335,661,252,691,120
  5. Step 5: Solve for x
    x = 79,335,661,252,691,120/248,833,361.80
  6. Step 6: Final answer
    x = 318,830,484.30

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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.