Finding the Fourth Proportional to 75,860,859.79, 113,791,584.93 and 18,353,038.69
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Solution
The fourth proportional to 75,860,859.79, 113,791,584.93 and 18,353,038.69 is: 27,529,629.46
Step by Step Solution
- Step 1: Write the proportion equation
75,860,859.79 : 113,791,584.93 = 18,353,038.69 : x - Step 2: Convert to fraction form
75,860,859.79/113,791,584.93 = 18,353,038.69/x - Step 3: Cross multiply
75,860,859.79x = 113,791,584.93 × 18,353,038.69 - Step 4: Simplify right side
75,860,859.79x = 2,088,421,360,816,711.25 - Step 5: Solve for x
x = 2,088,421,360,816,711.25/75,860,859.79 - Step 6: Final answer
x = 27,529,629.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.