Home / 141,380,840.80-212,071,261.20-73,356,392.80

Finding the Fourth Proportional to 141,380,840.80, 212,071,261.20 and 73,356,392.80

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Solution

The fourth proportional to 141,380,840.80, 212,071,261.20 and 73,356,392.80 is: 110,034,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,380,840.80 : 212,071,261.20 = 73,356,392.80 : x
  2. Step 2: Convert to fraction form
    141,380,840.80/212,071,261.20 = 73,356,392.80/x
  3. Step 3: Cross multiply
    141,380,840.80x = 212,071,261.20 × 73,356,392.80
  4. Step 4: Simplify right side
    141,380,840.80x = 15,556,782,738,178,598
  5. Step 5: Solve for x
    x = 15,556,782,738,178,598/141,380,840.80
  6. Step 6: Final answer
    x = 110,034,589.20

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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.