Finding the Fourth Proportional to 159,652,817.40, 239,479,226.10 and 44,637,175.20
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Solution
The fourth proportional to 159,652,817.40, 239,479,226.10 and 44,637,175.20 is: 66,955,762.80
Step by Step Solution
- Step 1: Write the proportion equation
159,652,817.40 : 239,479,226.10 = 44,637,175.20 : x - Step 2: Convert to fraction form
159,652,817.40/239,479,226.10 = 44,637,175.20/x - Step 3: Cross multiply
159,652,817.40x = 239,479,226.10 × 44,637,175.20 - Step 4: Simplify right side
159,652,817.40x = 10,689,676,172,186,114 - Step 5: Solve for x
x = 10,689,676,172,186,114/159,652,817.40 - Step 6: Final answer
x = 66,955,762.80
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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.