Finding the Fourth Proportional to 85,775,189.32, 118,370,675.43 and 46,616,968.09
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Solution
The fourth proportional to 85,775,189.32, 118,370,675.43 and 46,616,968.09 is: 64,331,912.80
Step by Step Solution
- Step 1: Write the proportion equation
85,775,189.32 : 118,370,675.43 = 46,616,968.09 : x - Step 2: Convert to fraction form
85,775,189.32/118,370,675.43 = 46,616,968.09/x - Step 3: Cross multiply
85,775,189.32x = 118,370,675.43 × 46,616,968.09 - Step 4: Simplify right side
85,775,189.32x = 5,518,081,999,312,058 - Step 5: Solve for x
x = 5,518,081,999,312,058/85,775,189.32 - Step 6: Final answer
x = 64,331,912.80
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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.