Finding the Fourth Proportional to 235,831,721.68, 325,471,992.96 and 141,776,318.46
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Solution
The fourth proportional to 235,831,721.68, 325,471,992.96 and 141,776,318.46 is: 195,665,878.17
Step by Step Solution
- Step 1: Write the proportion equation
235,831,721.68 : 325,471,992.96 = 141,776,318.46 : x - Step 2: Convert to fraction form
235,831,721.68/325,471,992.96 = 141,776,318.46/x - Step 3: Cross multiply
235,831,721.68x = 325,471,992.96 × 141,776,318.46 - Step 4: Simplify right side
235,831,721.68x = 46,144,220,923,707,840 - Step 5: Solve for x
x = 46,144,220,923,707,840/235,831,721.68 - Step 6: Final answer
x = 195,665,878.17
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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.