Finding the Fourth Proportional to 124,416,014.40, 186,624,021.60 and 56,391,566.40
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Solution
The fourth proportional to 124,416,014.40, 186,624,021.60 and 56,391,566.40 is: 84,587,349.60
Step by Step Solution
- Step 1: Write the proportion equation
124,416,014.40 : 186,624,021.60 = 56,391,566.40 : x - Step 2: Convert to fraction form
124,416,014.40/186,624,021.60 = 56,391,566.40/x - Step 3: Cross multiply
124,416,014.40x = 186,624,021.60 × 56,391,566.40 - Step 4: Simplify right side
124,416,014.40x = 10,524,020,905,891,434 - Step 5: Solve for x
x = 10,524,020,905,891,434/124,416,014.40 - Step 6: Final answer
x = 84,587,349.60
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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.