Finding the Fourth Proportional to 190,914,419.68, 286,254,427.47 and 74,193,487.47
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Solution
The fourth proportional to 190,914,419.68, 286,254,427.47 and 74,193,487.47 is: 111,244,683.94
Step by Step Solution
- Step 1: Write the proportion equation
190,914,419.68 : 286,254,427.47 = 74,193,487.47 : x - Step 2: Convert to fraction form
190,914,419.68/286,254,427.47 = 74,193,487.47/x - Step 3: Cross multiply
190,914,419.68x = 286,254,427.47 × 74,193,487.47 - Step 4: Simplify right side
190,914,419.68x = 21,238,214,277,727,472 - Step 5: Solve for x
x = 21,238,214,277,727,472/190,914,419.68 - Step 6: Final answer
x = 111,244,683.94
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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.