Finding the Fourth Proportional to 85,775,195.07, 118,370,683.35 and 46,616,973.84
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Solution
The fourth proportional to 85,775,195.07, 118,370,683.35 and 46,616,973.84 is: 64,331,920.72
Step by Step Solution
- Step 1: Write the proportion equation
85,775,195.07 : 118,370,683.35 = 46,616,973.84 : x - Step 2: Convert to fraction form
85,775,195.07/118,370,683.35 = 46,616,973.84/x - Step 3: Cross multiply
85,775,195.07x = 118,370,683.35 × 46,616,973.84 - Step 4: Simplify right side
85,775,195.07x = 5,518,083,049,149,874 - Step 5: Solve for x
x = 5,518,083,049,149,874/85,775,195.07 - Step 6: Final answer
x = 64,331,920.72
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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.