Finding the Fourth Proportional to 91,131,880.69, 125,761,995.35 and 49,878,773.07
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Solution
The fourth proportional to 91,131,880.69, 125,761,995.35 and 49,878,773.07 is: 68,832,706.83
Step by Step Solution
- Step 1: Write the proportion equation
91,131,880.69 : 125,761,995.35 = 49,878,773.07 : x - Step 2: Convert to fraction form
91,131,880.69/125,761,995.35 = 49,878,773.07/x - Step 3: Cross multiply
91,131,880.69x = 125,761,995.35 × 49,878,773.07 - Step 4: Simplify right side
91,131,880.69x = 6,272,854,026,264,235 - Step 5: Solve for x
x = 6,272,854,026,264,235/91,131,880.69 - Step 6: Final answer
x = 68,832,706.83
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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.