Finding the Fourth Proportional to 73,207,196.36, 101,026,122.82 and 39,716,673.68
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Solution
The fourth proportional to 73,207,196.36, 101,026,122.82 and 39,716,673.68 is: 54,809,113.76
Step by Step Solution
- Step 1: Write the proportion equation
73,207,196.36 : 101,026,122.82 = 39,716,673.68 : x - Step 2: Convert to fraction form
73,207,196.36/101,026,122.82 = 39,716,673.68/x - Step 3: Cross multiply
73,207,196.36x = 101,026,122.82 × 39,716,673.68 - Step 4: Simplify right side
73,207,196.36x = 4,012,421,553,197,541 - Step 5: Solve for x
x = 4,012,421,553,197,541/73,207,196.36 - Step 6: Final answer
x = 54,809,113.76
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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.