Home / 293,414,999.70-440,122,499.55-140,359,991.70

Finding the Fourth Proportional to 293,414,999.70, 440,122,499.55 and 140,359,991.70

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Solution

The fourth proportional to 293,414,999.70, 440,122,499.55 and 140,359,991.70 is: 210,539,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,414,999.70 : 440,122,499.55 = 140,359,991.70 : x
  2. Step 2: Convert to fraction form
    293,414,999.70/440,122,499.55 = 140,359,991.70/x
  3. Step 3: Cross multiply
    293,414,999.70x = 440,122,499.55 × 140,359,991.70
  4. Step 4: Simplify right side
    293,414,999.70x = 61,775,590,383,821,248
  5. Step 5: Solve for x
    x = 61,775,590,383,821,248/293,414,999.70
  6. Step 6: Final answer
    x = 210,539,987.55

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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.