Finding the Fourth Proportional to 109,818,413.18, 151,558,997.94 and 60,268,349.70
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Solution
The fourth proportional to 109,818,413.18, 151,558,997.94 and 60,268,349.70 is: 83,175,584.35
Step by Step Solution
- Step 1: Write the proportion equation
109,818,413.18 : 151,558,997.94 = 60,268,349.70 : x - Step 2: Convert to fraction form
109,818,413.18/151,558,997.94 = 60,268,349.70/x - Step 3: Cross multiply
109,818,413.18x = 151,558,997.94 × 60,268,349.70 - Step 4: Simplify right side
109,818,413.18x = 9,134,210,688,029,500 - Step 5: Solve for x
x = 9,134,210,688,029,500/109,818,413.18 - Step 6: Final answer
x = 83,175,584.35
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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.