Finding the Fourth Proportional to 75,860,859.29, 113,791,584.18 and 18,353,038.19
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Solution
The fourth proportional to 75,860,859.29, 113,791,584.18 and 18,353,038.19 is: 27,529,628.71
Step by Step Solution
- Step 1: Write the proportion equation
75,860,859.29 : 113,791,584.18 = 18,353,038.19 : x - Step 2: Convert to fraction form
75,860,859.29/113,791,584.18 = 18,353,038.19/x - Step 3: Cross multiply
75,860,859.29x = 113,791,584.18 × 18,353,038.19 - Step 4: Simplify right side
75,860,859.29x = 2,088,421,290,156,140 - Step 5: Solve for x
x = 2,088,421,290,156,140/75,860,859.29 - Step 6: Final answer
x = 27,529,628.71
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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.