Finding the Fourth Proportional to 149,135,703.39, 205,813,655.91 and 83,056,201.43
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Solution
The fourth proportional to 149,135,703.39, 205,813,655.91 and 83,056,201.43 is: 114,621,114.01
Step by Step Solution
- Step 1: Write the proportion equation
149,135,703.39 : 205,813,655.91 = 83,056,201.43 : x - Step 2: Convert to fraction form
149,135,703.39/205,813,655.91 = 83,056,201.43/x - Step 3: Cross multiply
149,135,703.39x = 205,813,655.91 × 83,056,201.43 - Step 4: Simplify right side
149,135,703.39x = 17,094,100,461,276,600 - Step 5: Solve for x
x = 17,094,100,461,276,600/149,135,703.39 - Step 6: Final answer
x = 114,621,114.01
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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.