Finding the Fourth Proportional to 88,877,220.80, 133,056,015.60 and 63,368,052.80
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Solution
The fourth proportional to 88,877,220.80, 133,056,015.60 and 63,368,052.80 is: 94,866,834.79
Step by Step Solution
- Step 1: Write the proportion equation
88,877,220.80 : 133,056,015.60 = 63,368,052.80 : x - Step 2: Convert to fraction form
88,877,220.80/133,056,015.60 = 63,368,052.80/x - Step 3: Cross multiply
88,877,220.80x = 133,056,015.60 × 63,368,052.80 - Step 4: Simplify right side
88,877,220.80x = 8,431,500,621,898,423 - Step 5: Solve for x
x = 8,431,500,621,898,423/88,877,220.80 - Step 6: Final answer
x = 94,866,834.79
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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.