Home / 168,097,416.08-231,886,214.98-136,770,494.56

Finding the Fourth Proportional to 168,097,416.08, 231,886,214.98 and 136,770,494.56

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Solution

The fourth proportional to 168,097,416.08, 231,886,214.98 and 136,770,494.56 is: 188,671,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,097,416.08 : 231,886,214.98 = 136,770,494.56 : x
  2. Step 2: Convert to fraction form
    168,097,416.08/231,886,214.98 = 136,770,494.56/x
  3. Step 3: Cross multiply
    168,097,416.08x = 231,886,214.98 × 136,770,494.56
  4. Step 4: Simplify right side
    168,097,416.08x = 31,715,192,303,539,440
  5. Step 5: Solve for x
    x = 31,715,192,303,539,440/168,097,416.08
  6. Step 6: Final answer
    x = 188,671,503.97

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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.