Finding the Fourth Proportional to 88,747,257.76, 122,475,946.62 and 49,589,985.04
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Solution
The fourth proportional to 88,747,257.76, 122,475,946.62 and 49,589,985.04 is: 68,436,822.88
Step by Step Solution
- Step 1: Write the proportion equation
88,747,257.76 : 122,475,946.62 = 49,589,985.04 : x - Step 2: Convert to fraction form
88,747,257.76/122,475,946.62 = 49,589,985.04/x - Step 3: Cross multiply
88,747,257.76x = 122,475,946.62 × 49,589,985.04 - Step 4: Simplify right side
88,747,257.76x = 6,073,580,360,525,411 - Step 5: Solve for x
x = 6,073,580,360,525,411/88,747,257.76 - Step 6: Final answer
x = 68,436,822.88
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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.