Finding the Fourth Proportional to 124,416,089.70, 186,624,134.55 and 115,346,163.30
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Solution
The fourth proportional to 124,416,089.70, 186,624,134.55 and 115,346,163.30 is: 173,019,244.95
Step by Step Solution
- Step 1: Write the proportion equation
124,416,089.70 : 186,624,134.55 = 115,346,163.30 : x - Step 2: Convert to fraction form
124,416,089.70/186,624,134.55 = 115,346,163.30/x - Step 3: Cross multiply
124,416,089.70x = 186,624,134.55 × 115,346,163.30 - Step 4: Simplify right side
124,416,089.70x = 21,526,377,899,525,472 - Step 5: Solve for x
x = 21,526,377,899,525,472/124,416,089.70 - Step 6: Final answer
x = 173,019,244.95
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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.