Finding the Fourth Proportional to 91,044,090.90, 136,566,136.35 and 80,521,559.10
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Solution
The fourth proportional to 91,044,090.90, 136,566,136.35 and 80,521,559.10 is: 120,782,338.65
Step by Step Solution
- Step 1: Write the proportion equation
91,044,090.90 : 136,566,136.35 = 80,521,559.10 : x - Step 2: Convert to fraction form
91,044,090.90/136,566,136.35 = 80,521,559.10/x - Step 3: Cross multiply
91,044,090.90x = 136,566,136.35 × 80,521,559.10 - Step 4: Simplify right side
91,044,090.90x = 10,996,518,219,165,182 - Step 5: Solve for x
x = 10,996,518,219,165,182/91,044,090.90 - Step 6: Final answer
x = 120,782,338.65
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Similar ratio
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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.