Finding the Fourth Proportional to 78,890,602.08, 108,866,941.74 and 44,083,578.54
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Solution
The fourth proportional to 78,890,602.08, 108,866,941.74 and 44,083,578.54 is: 60,834,170.99
Step by Step Solution
- Step 1: Write the proportion equation
78,890,602.08 : 108,866,941.74 = 44,083,578.54 : x - Step 2: Convert to fraction form
78,890,602.08/108,866,941.74 = 44,083,578.54/x - Step 3: Cross multiply
78,890,602.08x = 108,866,941.74 × 44,083,578.54 - Step 4: Simplify right side
78,890,602.08x = 4,799,244,376,604,894 - Step 5: Solve for x
x = 4,799,244,376,604,894/78,890,602.08 - Step 6: Final answer
x = 60,834,170.99
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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.