Finding the Fourth Proportional to 144,881,326.70, 199,918,083.86 and 97,940,533.99
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Solution
The fourth proportional to 144,881,326.70, 199,918,083.86 and 97,940,533.99 is: 135,145,669.45
Step by Step Solution
- Step 1: Write the proportion equation
144,881,326.70 : 199,918,083.86 = 97,940,533.99 : x - Step 2: Convert to fraction form
144,881,326.70/199,918,083.86 = 97,940,533.99/x - Step 3: Cross multiply
144,881,326.70x = 199,918,083.86 × 97,940,533.99 - Step 4: Simplify right side
144,881,326.70x = 19,580,083,887,251,056 - Step 5: Solve for x
x = 19,580,083,887,251,056/144,881,326.70 - Step 6: Final answer
x = 135,145,669.45
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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.