Finding the Fourth Proportional to 117,512,052.40, 176,296,072.20 and 56,877,914.80
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Solution
The fourth proportional to 117,512,052.40, 176,296,072.20 and 56,877,914.80 is: 85,330,421.60
Step by Step Solution
- Step 1: Write the proportion equation
117,512,052.40 : 176,296,072.20 = 56,877,914.80 : x - Step 2: Convert to fraction form
117,512,052.40/176,296,072.20 = 56,877,914.80/x - Step 3: Cross multiply
117,512,052.40x = 176,296,072.20 × 56,877,914.80 - Step 4: Simplify right side
117,512,052.40x = 10,027,352,974,166,248 - Step 5: Solve for x
x = 10,027,352,974,166,248/117,512,052.40 - Step 6: Final answer
x = 85,330,421.60
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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.