Finding the Fourth Proportional to 299,658,458.80, 449,517,625.80 and 81,312,266.80
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Solution
The fourth proportional to 299,658,458.80, 449,517,625.80 and 81,312,266.80 is: 121,976,523.76
Step by Step Solution
- Step 1: Write the proportion equation
299,658,458.80 : 449,517,625.80 = 81,312,266.80 : x - Step 2: Convert to fraction form
299,658,458.80/449,517,625.80 = 81,312,266.80/x - Step 3: Cross multiply
299,658,458.80x = 449,517,625.80 × 81,312,266.80 - Step 4: Simplify right side
299,658,458.80x = 36,551,297,120,352,160 - Step 5: Solve for x
x = 36,551,297,120,352,160/299,658,458.80 - Step 6: Final answer
x = 121,976,523.76
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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.