Finding the Fourth Proportional to 61,171,442.19, 84,418,983.68 and 33,671,929.23
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Solution
The fourth proportional to 61,171,442.19, 84,418,983.68 and 33,671,929.23 is: 46,468,579.82
Step by Step Solution
- Step 1: Write the proportion equation
61,171,442.19 : 84,418,983.68 = 33,671,929.23 : x - Step 2: Convert to fraction form
61,171,442.19/84,418,983.68 = 33,671,929.23/x - Step 3: Cross multiply
61,171,442.19x = 84,418,983.68 × 33,671,929.23 - Step 4: Simplify right side
61,171,442.19x = 2,842,550,043,973,125 - Step 5: Solve for x
x = 2,842,550,043,973,125/61,171,442.19 - Step 6: Final answer
x = 46,468,579.82
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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.