Home / 120,514,581.77-166,311,945.08-67,603,018.39

Finding the Fourth Proportional to 120,514,581.77, 166,311,945.08 and 67,603,018.39

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Solution

The fourth proportional to 120,514,581.77, 166,311,945.08 and 67,603,018.39 is: 93,293,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,514,581.77 : 166,311,945.08 = 67,603,018.39 : x
  2. Step 2: Convert to fraction form
    120,514,581.77/166,311,945.08 = 67,603,018.39/x
  3. Step 3: Cross multiply
    120,514,581.77x = 166,311,945.08 × 67,603,018.39
  4. Step 4: Simplify right side
    120,514,581.77x = 11,243,189,481,719,912
  5. Step 5: Solve for x
    x = 11,243,189,481,719,912/120,514,581.77
  6. Step 6: Final answer
    x = 93,293,187.57

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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.