Home / 66,828,999-92,051,514.54-47,215,840.44

Finding the Fourth Proportional to 66,828,999, 92,051,514.54 and 47,215,840.44

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Solution

The fourth proportional to 66,828,999, 92,051,514.54 and 47,215,840.44 is: 65,035,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,828,999 : 92,051,514.54 = 47,215,840.44 : x
  2. Step 2: Convert to fraction form
    66,828,999/92,051,514.54 = 47,215,840.44/x
  3. Step 3: Cross multiply
    66,828,999x = 92,051,514.54 × 47,215,840.44
  4. Step 4: Simplify right side
    66,828,999x = 4,346,289,622,780,980
  5. Step 5: Solve for x
    x = 4,346,289,622,780,980/66,828,999
  6. Step 6: Final answer
    x = 65,035,982.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.