Finding the Fourth Proportional to 48,384,125.60, 72,492,207.60 and 45,360,816.80
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Solution
The fourth proportional to 48,384,125.60, 72,492,207.60 and 45,360,816.80 is: 67,962,491.99
Step by Step Solution
- Step 1: Write the proportion equation
48,384,125.60 : 72,492,207.60 = 45,360,816.80 : x - Step 2: Convert to fraction form
48,384,125.60/72,492,207.60 = 45,360,816.80/x - Step 3: Cross multiply
48,384,125.60x = 72,492,207.60 × 45,360,816.80 - Step 4: Simplify right side
48,384,125.60x = 3,288,305,748,371,167 - Step 5: Solve for x
x = 3,288,305,748,371,167/48,384,125.60 - Step 6: Final answer
x = 67,962,491.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.