Finding the Fourth Proportional to 220,786,800.88, 304,687,800.18 and 121,671,104.53
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Solution
The fourth proportional to 220,786,800.88, 304,687,800.18 and 121,671,104.53 is: 167,907,234.66
Step by Step Solution
- Step 1: Write the proportion equation
220,786,800.88 : 304,687,800.18 = 121,671,104.53 : x - Step 2: Convert to fraction form
220,786,800.88/304,687,800.18 = 121,671,104.53/x - Step 3: Cross multiply
220,786,800.88x = 304,687,800.18 × 121,671,104.53 - Step 4: Simplify right side
220,786,800.88x = 37,071,701,184,258,992 - Step 5: Solve for x
x = 37,071,701,184,258,992/220,786,800.88 - Step 6: Final answer
x = 167,907,234.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.