Finding the Fourth Proportional to 221,768,035.17, 306,027,504.76 and 121,276,641.67
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Solution
The fourth proportional to 221,768,035.17, 306,027,504.76 and 121,276,641.67 is: 167,354,993.28
Step by Step Solution
- Step 1: Write the proportion equation
221,768,035.17 : 306,027,504.76 = 121,276,641.67 : x - Step 2: Convert to fraction form
221,768,035.17/306,027,504.76 = 121,276,641.67/x - Step 3: Cross multiply
221,768,035.17x = 306,027,504.76 × 121,276,641.67 - Step 4: Simplify right side
221,768,035.17x = 37,113,988,036,436,800 - Step 5: Solve for x
x = 37,113,988,036,436,800/221,768,035.17 - Step 6: Final answer
x = 167,354,993.28
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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.