Finding the Fourth Proportional to 244,395,221.70, 367,017,985.35 and 129,603,965.70
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Solution
The fourth proportional to 244,395,221.70, 367,017,985.35 and 129,603,965.70 is: 194,631,409.13
Step by Step Solution
- Step 1: Write the proportion equation
244,395,221.70 : 367,017,985.35 = 129,603,965.70 : x - Step 2: Convert to fraction form
244,395,221.70/367,017,985.35 = 129,603,965.70/x - Step 3: Cross multiply
244,395,221.70x = 367,017,985.35 × 129,603,965.70 - Step 4: Simplify right side
244,395,221.70x = 47,566,986,384,584,504 - Step 5: Solve for x
x = 47,566,986,384,584,504/244,395,221.70 - Step 6: Final answer
x = 194,631,409.13
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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.