Finding the Fourth Proportional to 144,246,853.48, 216,372,651.74 and 40,618,551.40
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Solution
The fourth proportional to 144,246,853.48, 216,372,651.74 and 40,618,551.40 is: 60,928,494.90
Step by Step Solution
- Step 1: Write the proportion equation
144,246,853.48 : 216,372,651.74 = 40,618,551.40 : x - Step 2: Convert to fraction form
144,246,853.48/216,372,651.74 = 40,618,551.40/x - Step 3: Cross multiply
144,246,853.48x = 216,372,651.74 × 40,618,551.40 - Step 4: Simplify right side
144,246,853.48x = 8,788,743,676,255,490 - Step 5: Solve for x
x = 8,788,743,676,255,490/144,246,853.48 - Step 6: Final answer
x = 60,928,494.90
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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.