Finding the Fourth Proportional to 85,339,626.08, 117,768,684.12 and 46,181,402.81
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Solution
The fourth proportional to 85,339,626.08, 117,768,684.12 and 46,181,402.81 is: 63,730,335.95
Step by Step Solution
- Step 1: Write the proportion equation
85,339,626.08 : 117,768,684.12 = 46,181,402.81 : x - Step 2: Convert to fraction form
85,339,626.08/117,768,684.12 = 46,181,402.81/x - Step 3: Cross multiply
85,339,626.08x = 117,768,684.12 × 46,181,402.81 - Step 4: Simplify right side
85,339,626.08x = 5,438,723,040,185,621 - Step 5: Solve for x
x = 5,438,723,040,185,621/85,339,626.08 - Step 6: Final answer
x = 63,730,335.95
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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.