Finding the Fourth Proportional to 88,968,000.80, 133,452,001.20 and 53,136,192.80
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Solution
The fourth proportional to 88,968,000.80, 133,452,001.20 and 53,136,192.80 is: 79,704,289.20
Step by Step Solution
- Step 1: Write the proportion equation
88,968,000.80 : 133,452,001.20 = 53,136,192.80 : x - Step 2: Convert to fraction form
88,968,000.80/133,452,001.20 = 53,136,192.80/x - Step 3: Cross multiply
88,968,000.80x = 133,452,001.20 × 53,136,192.80 - Step 4: Simplify right side
88,968,000.80x = 7,091,131,265,309,031 - Step 5: Solve for x
x = 7,091,131,265,309,031/88,968,000.80 - Step 6: Final answer
x = 79,704,289.20
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1.5x scale
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.