Home / 248,833,369.80-373,250,054.70-212,553,664.20

Finding the Fourth Proportional to 248,833,369.80, 373,250,054.70 and 212,553,664.20

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Solution

The fourth proportional to 248,833,369.80, 373,250,054.70 and 212,553,664.20 is: 318,830,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,833,369.80 : 373,250,054.70 = 212,553,664.20 : x
  2. Step 2: Convert to fraction form
    248,833,369.80/373,250,054.70 = 212,553,664.20/x
  3. Step 3: Cross multiply
    248,833,369.80x = 373,250,054.70 × 212,553,664.20
  4. Step 4: Simplify right side
    248,833,369.80x = 79,335,666,789,335,424
  5. Step 5: Solve for x
    x = 79,335,666,789,335,424/248,833,369.80
  6. Step 6: Final answer
    x = 318,830,496.30

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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.