Finding the Fourth Proportional to 261,611,153.19, 361,023,226.91 and 144,136,482.26
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Solution
The fourth proportional to 261,611,153.19, 361,023,226.91 and 144,136,482.26 is: 198,908,254.88
Step by Step Solution
- Step 1: Write the proportion equation
261,611,153.19 : 361,023,226.91 = 144,136,482.26 : x - Step 2: Convert to fraction form
261,611,153.19/361,023,226.91 = 144,136,482.26/x - Step 3: Cross multiply
261,611,153.19x = 361,023,226.91 × 144,136,482.26 - Step 4: Simplify right side
261,611,153.19x = 52,036,617,938,975,880 - Step 5: Solve for x
x = 52,036,617,938,975,880/261,611,153.19 - Step 6: Final answer
x = 198,908,254.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.