Home / 120,514,577.89-166,311,939.72-67,603,014.51

Finding the Fourth Proportional to 120,514,577.89, 166,311,939.72 and 67,603,014.51

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Solution

The fourth proportional to 120,514,577.89, 166,311,939.72 and 67,603,014.51 is: 93,293,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,514,577.89 : 166,311,939.72 = 67,603,014.51 : x
  2. Step 2: Convert to fraction form
    120,514,577.89/166,311,939.72 = 67,603,014.51/x
  3. Step 3: Cross multiply
    120,514,577.89x = 166,311,939.72 × 67,603,014.51
  4. Step 4: Simplify right side
    120,514,577.89x = 11,243,188,474,077,406
  5. Step 5: Solve for x
    x = 11,243,188,474,077,406/120,514,577.89
  6. Step 6: Final answer
    x = 93,293,182.21

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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.