Home / 132,837,640.85-199,314,009.44-71,355,065.70

Finding the Fourth Proportional to 132,837,640.85, 199,314,009.44 and 71,355,065.70

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Solution

The fourth proportional to 132,837,640.85, 199,314,009.44 and 71,355,065.70 is: 107,063,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,837,640.85 : 199,314,009.44 = 71,355,065.70 : x
  2. Step 2: Convert to fraction form
    132,837,640.85/199,314,009.44 = 71,355,065.70/x
  3. Step 3: Cross multiply
    132,837,640.85x = 199,314,009.44 × 71,355,065.70
  4. Step 4: Simplify right side
    132,837,640.85x = 14,222,064,238,164,846
  5. Step 5: Solve for x
    x = 14,222,064,238,164,846/132,837,640.85
  6. Step 6: Final answer
    x = 107,063,511.12

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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.