Finding the Fourth Proportional to 53,778,156.48, 80,324,327.88 and 48,652,683.84
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Solution
The fourth proportional to 53,778,156.48, 80,324,327.88 and 48,652,683.84 is: 72,668,800.58
Step by Step Solution
- Step 1: Write the proportion equation
53,778,156.48 : 80,324,327.88 = 48,652,683.84 : x - Step 2: Convert to fraction form
53,778,156.48/80,324,327.88 = 48,652,683.84/x - Step 3: Cross multiply
53,778,156.48x = 80,324,327.88 × 48,652,683.84 - Step 4: Simplify right side
53,778,156.48x = 3,907,994,129,006,137.50 - Step 5: Solve for x
x = 3,907,994,129,006,137.50/53,778,156.48 - Step 6: Final answer
x = 72,668,800.58
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.