Finding the Fourth Proportional to 56,156,518.63, 84,618,087.37 and 46,145,633.68
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Solution
The fourth proportional to 56,156,518.63, 84,618,087.37 and 46,145,633.68 is: 69,533,428.31
Step by Step Solution
- Step 1: Write the proportion equation
56,156,518.63 : 84,618,087.37 = 46,145,633.68 : x - Step 2: Convert to fraction form
56,156,518.63/84,618,087.37 = 46,145,633.68/x - Step 3: Cross multiply
56,156,518.63x = 84,618,087.37 × 46,145,633.68 - Step 4: Simplify right side
56,156,518.63x = 3,904,755,262,478,255 - Step 5: Solve for x
x = 3,904,755,262,478,255/56,156,518.63 - Step 6: Final answer
x = 69,533,428.31
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.