Finding the Fourth Proportional to 88,038,958.80, 121,497,557.64 and 48,880,737.42
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Solution
The fourth proportional to 88,038,958.80, 121,497,557.64 and 48,880,737.42 is: 67,457,524.41
Step by Step Solution
- Step 1: Write the proportion equation
88,038,958.80 : 121,497,557.64 = 48,880,737.42 : x - Step 2: Convert to fraction form
88,038,958.80/121,497,557.64 = 48,880,737.42/x - Step 3: Cross multiply
88,038,958.80x = 121,497,557.64 × 48,880,737.42 - Step 4: Simplify right side
88,038,958.80x = 5,938,890,212,172,155 - Step 5: Solve for x
x = 5,938,890,212,172,155/88,038,958.80 - Step 6: Final answer
x = 67,457,524.41
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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.