Finding the Fourth Proportional to 88,968,053.80, 133,452,080.70 and 53,136,245.80
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Solution
The fourth proportional to 88,968,053.80, 133,452,080.70 and 53,136,245.80 is: 79,704,368.70
Step by Step Solution
- Step 1: Write the proportion equation
88,968,053.80 : 133,452,080.70 = 53,136,245.80 : x - Step 2: Convert to fraction form
88,968,053.80/133,452,080.70 = 53,136,245.80/x - Step 3: Cross multiply
88,968,053.80x = 133,452,080.70 × 53,136,245.80 - Step 4: Simplify right side
88,968,053.80x = 7,091,142,562,596,636 - Step 5: Solve for x
x = 7,091,142,562,596,636/88,968,053.80 - Step 6: Final answer
x = 79,704,368.70
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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.