Finding the Fourth Proportional to 142,936,302.72, 214,377,099.84 and 55,497,817.92
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Solution
The fourth proportional to 142,936,302.72, 214,377,099.84 and 55,497,817.92 is: 83,236,106.06
Step by Step Solution
- Step 1: Write the proportion equation
142,936,302.72 : 214,377,099.84 = 55,497,817.92 : x - Step 2: Convert to fraction form
142,936,302.72/214,377,099.84 = 55,497,817.92/x - Step 3: Cross multiply
142,936,302.72x = 214,377,099.84 × 55,497,817.92 - Step 4: Simplify right side
142,936,302.72x = 11,897,461,253,137,982 - Step 5: Solve for x
x = 11,897,461,253,137,982/142,936,302.72 - Step 6: Final answer
x = 83,236,106.06
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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.