Finding the Fourth Proportional to 125,815,200.84, 173,476,413.09 and 86,141,969.91
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Solution
The fourth proportional to 125,815,200.84, 173,476,413.09 and 86,141,969.91 is: 118,774,201.02
Step by Step Solution
- Step 1: Write the proportion equation
125,815,200.84 : 173,476,413.09 = 86,141,969.91 : x - Step 2: Convert to fraction form
125,815,200.84/173,476,413.09 = 86,141,969.91/x - Step 3: Cross multiply
125,815,200.84x = 173,476,413.09 × 86,141,969.91 - Step 4: Simplify right side
125,815,200.84x = 14,943,599,956,493,510 - Step 5: Solve for x
x = 14,943,599,956,493,510/125,815,200.84 - Step 6: Final answer
x = 118,774,201.02
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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.