Finding the Fourth Proportional to 77,278,832.24, 106,646,033.25 and 44,238,948.44
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Solution
The fourth proportional to 77,278,832.24, 106,646,033.25 and 44,238,948.44 is: 61,050,461.42
Step by Step Solution
- Step 1: Write the proportion equation
77,278,832.24 : 106,646,033.25 = 44,238,948.44 : x - Step 2: Convert to fraction form
77,278,832.24/106,646,033.25 = 44,238,948.44/x - Step 3: Cross multiply
77,278,832.24x = 106,646,033.25 × 44,238,948.44 - Step 4: Simplify right side
77,278,832.24x = 4,717,908,365,744,046 - Step 5: Solve for x
x = 4,717,908,365,744,046/77,278,832.24 - Step 6: Final answer
x = 61,050,461.42
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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.