Home / 236,199,270.40-354,298,905.60-139,104,999.70

Finding the Fourth Proportional to 236,199,270.40, 354,298,905.60 and 139,104,999.70

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Solution

The fourth proportional to 236,199,270.40, 354,298,905.60 and 139,104,999.70 is: 208,657,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,199,270.40 : 354,298,905.60 = 139,104,999.70 : x
  2. Step 2: Convert to fraction form
    236,199,270.40/354,298,905.60 = 139,104,999.70/x
  3. Step 3: Cross multiply
    236,199,270.40x = 354,298,905.60 × 139,104,999.70
  4. Step 4: Simplify right side
    236,199,270.40x = 49,284,749,157,198,328
  5. Step 5: Solve for x
    x = 49,284,749,157,198,328/236,199,270.40
  6. Step 6: Final answer
    x = 208,657,499.55

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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.