Finding the Fourth Proportional to 124,416,071.60, 186,624,107.40 and 79,029,114.80
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Solution
The fourth proportional to 124,416,071.60, 186,624,107.40 and 79,029,114.80 is: 118,543,672.20
Step by Step Solution
- Step 1: Write the proportion equation
124,416,071.60 : 186,624,107.40 = 79,029,114.80 : x - Step 2: Convert to fraction form
124,416,071.60/186,624,107.40 = 79,029,114.80/x - Step 3: Cross multiply
124,416,071.60x = 186,624,107.40 × 79,029,114.80 - Step 4: Simplify right side
124,416,071.60x = 14,748,738,008,162,130 - Step 5: Solve for x
x = 14,748,738,008,162,130/124,416,071.60 - Step 6: Final answer
x = 118,543,672.20
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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.