Finding the Fourth Proportional to 220,670,671.44, 304,514,271.84 and 121,549,284.96
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Solution
The fourth proportional to 220,670,671.44, 304,514,271.84 and 121,549,284.96 is: 167,731,813.93
Step by Step Solution
- Step 1: Write the proportion equation
220,670,671.44 : 304,514,271.84 = 121,549,284.96 : x - Step 2: Convert to fraction form
220,670,671.44/304,514,271.84 = 121,549,284.96/x - Step 3: Cross multiply
220,670,671.44x = 304,514,271.84 × 121,549,284.96 - Step 4: Simplify right side
220,670,671.44x = 37,013,492,002,267,056 - Step 5: Solve for x
x = 37,013,492,002,267,056/220,670,671.44 - Step 6: Final answer
x = 167,731,813.93
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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.