Finding the Fourth Proportional to 81,545,893.90, 112,533,352.12 and 44,876,464.90
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Solution
The fourth proportional to 81,545,893.90, 112,533,352.12 and 44,876,464.90 is: 61,929,531.76
Step by Step Solution
- Step 1: Write the proportion equation
81,545,893.90 : 112,533,352.12 = 44,876,464.90 : x - Step 2: Convert to fraction form
81,545,893.90/112,533,352.12 = 44,876,464.90/x - Step 3: Cross multiply
81,545,893.90x = 112,533,352.12 × 44,876,464.90 - Step 4: Simplify right side
81,545,893.90x = 5,050,099,026,492,521 - Step 5: Solve for x
x = 5,050,099,026,492,521/81,545,893.90 - Step 6: Final answer
x = 61,929,531.76
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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.