Finding the Fourth Proportional to 85,232,548.10, 117,542,475.61 and 55,853,210.23
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Solution
The fourth proportional to 85,232,548.10, 117,542,475.61 and 55,853,210.23 is: 77,026,027.58
Step by Step Solution
- Step 1: Write the proportion equation
85,232,548.10 : 117,542,475.61 = 55,853,210.23 : x - Step 2: Convert to fraction form
85,232,548.10/117,542,475.61 = 55,853,210.23/x - Step 3: Cross multiply
85,232,548.10x = 117,542,475.61 × 55,853,210.23 - Step 4: Simplify right side
85,232,548.10x = 6,565,124,600,766,488 - Step 5: Solve for x
x = 6,565,124,600,766,488/85,232,548.10 - Step 6: Final answer
x = 77,026,027.58
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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.