Finding the Fourth Proportional to 87,486,362.19, 120,732,193.04 and 48,327,327.72
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Solution
The fourth proportional to 87,486,362.19, 120,732,193.04 and 48,327,327.72 is: 66,692,271.95
Step by Step Solution
- Step 1: Write the proportion equation
87,486,362.19 : 120,732,193.04 = 48,327,327.72 : x - Step 2: Convert to fraction form
87,486,362.19/120,732,193.04 = 48,327,327.72/x - Step 3: Cross multiply
87,486,362.19x = 120,732,193.04 × 48,327,327.72 - Step 4: Simplify right side
87,486,362.19x = 5,834,664,259,156,746 - Step 5: Solve for x
x = 5,834,664,259,156,746/87,486,362.19 - Step 6: Final answer
x = 66,692,271.95
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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.