Finding the Fourth Proportional to 85,232,549.61, 117,542,477.67 and 55,853,211.74
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Solution
The fourth proportional to 85,232,549.61, 117,542,477.67 and 55,853,211.74 is: 77,026,029.65
Step by Step Solution
- Step 1: Write the proportion equation
85,232,549.61 : 117,542,477.67 = 55,853,211.74 : x - Step 2: Convert to fraction form
85,232,549.61/117,542,477.67 = 55,853,211.74/x - Step 3: Cross multiply
85,232,549.61x = 117,542,477.67 × 55,853,211.74 - Step 4: Simplify right side
85,232,549.61x = 6,565,124,893,159,019 - Step 5: Solve for x
x = 6,565,124,893,159,019/85,232,549.61 - Step 6: Final answer
x = 77,026,029.65
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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.