Finding the Fourth Proportional to 118,698,912.44, 163,805,460.93 and 65,776,504.10
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Solution
The fourth proportional to 118,698,912.44, 163,805,460.93 and 65,776,504.10 is: 90,772,108.61
Step by Step Solution
- Step 1: Write the proportion equation
118,698,912.44 : 163,805,460.93 = 65,776,504.10 : x - Step 2: Convert to fraction form
118,698,912.44/163,805,460.93 = 65,776,504.10/x - Step 3: Cross multiply
118,698,912.44x = 163,805,460.93 × 65,776,504.10 - Step 4: Simplify right side
118,698,912.44x = 10,774,550,571,645,508 - Step 5: Solve for x
x = 10,774,550,571,645,508/118,698,912.44 - Step 6: Final answer
x = 90,772,108.61
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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.