Finding the Fourth Proportional to 84,836,205.03, 127,077,748.80 and 53,977,926.63
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Solution
The fourth proportional to 84,836,205.03, 127,077,748.80 and 53,977,926.63 is: 80,854,552.59
Step by Step Solution
- Step 1: Write the proportion equation
84,836,205.03 : 127,077,748.80 = 53,977,926.63 : x - Step 2: Convert to fraction form
84,836,205.03/127,077,748.80 = 53,977,926.63/x - Step 3: Cross multiply
84,836,205.03x = 127,077,748.80 × 53,977,926.63 - Step 4: Simplify right side
84,836,205.03x = 6,859,393,401,031,971 - Step 5: Solve for x
x = 6,859,393,401,031,971/84,836,205.03 - Step 6: Final answer
x = 80,854,552.59
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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.