Finding the Fourth Proportional to 188,242,603.49, 259,781,101.28 and 104,614,258.87
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Solution
The fourth proportional to 188,242,603.49, 259,781,101.28 and 104,614,258.87 is: 144,371,183.11
Step by Step Solution
- Step 1: Write the proportion equation
188,242,603.49 : 259,781,101.28 = 104,614,258.87 : x - Step 2: Convert to fraction form
188,242,603.49/259,781,101.28 = 104,614,258.87/x - Step 3: Cross multiply
188,242,603.49x = 259,781,101.28 × 104,614,258.87 - Step 4: Simplify right side
188,242,603.49x = 27,176,807,378,451,692 - Step 5: Solve for x
x = 27,176,807,378,451,692/188,242,603.49 - Step 6: Final answer
x = 144,371,183.11
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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.