Finding the Fourth Proportional to 220,670,822.40, 304,514,479.74 and 121,549,435.96
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Solution
The fourth proportional to 220,670,822.40, 304,514,479.74 and 121,549,435.96 is: 167,732,022.07
Step by Step Solution
- Step 1: Write the proportion equation
220,670,822.40 : 304,514,479.74 = 121,549,435.96 : x - Step 2: Convert to fraction form
220,670,822.40/304,514,479.74 = 121,549,435.96/x - Step 3: Cross multiply
220,670,822.40x = 304,514,479.74 × 121,549,435.96 - Step 4: Simplify right side
220,670,822.40x = 37,013,563,254,049,848 - Step 5: Solve for x
x = 37,013,563,254,049,848/220,670,822.40 - Step 6: Final answer
x = 167,732,022.07
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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.