Finding the Fourth Proportional to 199,611,298.80, 299,416,948.20 and 113,316,361.20
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Solution
The fourth proportional to 199,611,298.80, 299,416,948.20 and 113,316,361.20 is: 169,974,541.80
Step by Step Solution
- Step 1: Write the proportion equation
199,611,298.80 : 299,416,948.20 = 113,316,361.20 : x - Step 2: Convert to fraction form
199,611,298.80/299,416,948.20 = 113,316,361.20/x - Step 3: Cross multiply
199,611,298.80x = 299,416,948.20 × 113,316,361.20 - Step 4: Simplify right side
199,611,298.80x = 33,928,839,051,632,888 - Step 5: Solve for x
x = 33,928,839,051,632,888/199,611,298.80 - Step 6: Final answer
x = 169,974,541.80
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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.