Finding the Fourth Proportional to 218,848,887.37, 328,272,926.30 and 71,296,271.14
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Solution
The fourth proportional to 218,848,887.37, 328,272,926.30 and 71,296,271.14 is: 106,944,274.85
Step by Step Solution
- Step 1: Write the proportion equation
218,848,887.37 : 328,272,926.30 = 71,296,271.14 : x - Step 2: Convert to fraction form
218,848,887.37/328,272,926.30 = 71,296,271.14/x - Step 3: Cross multiply
218,848,887.37x = 328,272,926.30 × 71,296,271.14 - Step 4: Simplify right side
218,848,887.37x = 23,404,635,561,406,040 - Step 5: Solve for x
x = 23,404,635,561,406,040/218,848,887.37 - Step 6: Final answer
x = 106,944,274.85
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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.