Home / 211,801,886.06-317,520,872.49-73,609,539.03

Finding the Fourth Proportional to 211,801,886.06, 317,520,872.49 and 73,609,539.03

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Solution

The fourth proportional to 211,801,886.06, 317,520,872.49 and 73,609,539.03 is: 110,351,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,801,886.06 : 317,520,872.49 = 73,609,539.03 : x
  2. Step 2: Convert to fraction form
    211,801,886.06/317,520,872.49 = 73,609,539.03/x
  3. Step 3: Cross multiply
    211,801,886.06x = 317,520,872.49 × 73,609,539.03
  4. Step 4: Simplify right side
    211,801,886.06x = 23,372,565,056,392,308
  5. Step 5: Solve for x
    x = 23,372,565,056,392,308/211,801,886.06
  6. Step 6: Final answer
    x = 110,351,071.43

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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.