Finding the Fourth Proportional to 61,534,566.63, 84,943,848.84 and 38,341,152.78
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Solution
The fourth proportional to 61,534,566.63, 84,943,848.84 and 38,341,152.78 is: 52,927,082.52
Step by Step Solution
- Step 1: Write the proportion equation
61,534,566.63 : 84,943,848.84 = 38,341,152.78 : x - Step 2: Convert to fraction form
61,534,566.63/84,943,848.84 = 38,341,152.78/x - Step 3: Cross multiply
61,534,566.63x = 84,943,848.84 × 38,341,152.78 - Step 4: Simplify right side
61,534,566.63x = 3,256,845,086,095,666 - Step 5: Solve for x
x = 3,256,845,086,095,666/61,534,566.63 - Step 6: Final answer
x = 52,927,082.52
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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.