Finding the Fourth Proportional to 219,655,634.37, 303,129,405.27 and 120,535,514.79
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Solution
The fourth proportional to 219,655,634.37, 303,129,405.27 and 120,535,514.79 is: 166,341,551.02
Step by Step Solution
- Step 1: Write the proportion equation
219,655,634.37 : 303,129,405.27 = 120,535,514.79 : x - Step 2: Convert to fraction form
219,655,634.37/303,129,405.27 = 120,535,514.79/x - Step 3: Cross multiply
219,655,634.37x = 303,129,405.27 × 120,535,514.79 - Step 4: Simplify right side
219,655,634.37x = 36,537,858,911,069,248 - Step 5: Solve for x
x = 36,537,858,911,069,248/219,655,634.37 - Step 6: Final answer
x = 166,341,551.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.