Finding the Fourth Proportional to 88,939,463.93, 122,735,255.77 and 49,781,230.28
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Solution
The fourth proportional to 88,939,463.93, 122,735,255.77 and 49,781,230.28 is: 68,697,423.63
Step by Step Solution
- Step 1: Write the proportion equation
88,939,463.93 : 122,735,255.77 = 49,781,230.28 : x - Step 2: Convert to fraction form
88,939,463.93/122,735,255.77 = 49,781,230.28/x - Step 3: Cross multiply
88,939,463.93x = 122,735,255.77 × 49,781,230.28 - Step 4: Simplify right side
88,939,463.93x = 6,109,912,030,961,069 - Step 5: Solve for x
x = 6,109,912,030,961,069/88,939,463.93 - Step 6: Final answer
x = 68,697,423.63
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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.