Home / 248,945,290.40-373,404,437.04-76,422,133.28

Finding the Fourth Proportional to 248,945,290.40, 373,404,437.04 and 76,422,133.28

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Solution

The fourth proportional to 248,945,290.40, 373,404,437.04 and 76,422,133.28 is: 114,629,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,945,290.40 : 373,404,437.04 = 76,422,133.28 : x
  2. Step 2: Convert to fraction form
    248,945,290.40/373,404,437.04 = 76,422,133.28/x
  3. Step 3: Cross multiply
    248,945,290.40x = 373,404,437.04 × 76,422,133.28
  4. Step 4: Simplify right side
    248,945,290.40x = 28,536,363,654,814,252
  5. Step 5: Solve for x
    x = 28,536,363,654,814,252/248,945,290.40
  6. Step 6: Final answer
    x = 114,629,056.08

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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.