Finding the Fourth Proportional to 144,564,101.87, 199,305,778.37 and 114,893,824.68
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Solution
The fourth proportional to 144,564,101.87, 199,305,778.37 and 114,893,824.68 is: 158,400,341.87
Step by Step Solution
- Step 1: Write the proportion equation
144,564,101.87 : 199,305,778.37 = 114,893,824.68 : x - Step 2: Convert to fraction form
144,564,101.87/199,305,778.37 = 114,893,824.68/x - Step 3: Cross multiply
144,564,101.87x = 199,305,778.37 × 114,893,824.68 - Step 4: Simplify right side
144,564,101.87x = 22,899,003,157,179,248 - Step 5: Solve for x
x = 22,899,003,157,179,248/144,564,101.87 - Step 6: Final answer
x = 158,400,341.87
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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.