Finding the Fourth Proportional to 137,673,656.88, 190,003,370.76 and 102,805,812.84
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Solution
The fourth proportional to 137,673,656.88, 190,003,370.76 and 102,805,812.84 is: 141,882,270.12
Step by Step Solution
- Step 1: Write the proportion equation
137,673,656.88 : 190,003,370.76 = 102,805,812.84 : x - Step 2: Convert to fraction form
137,673,656.88/190,003,370.76 = 102,805,812.84/x - Step 3: Cross multiply
137,673,656.88x = 190,003,370.76 × 102,805,812.84 - Step 4: Simplify right side
137,673,656.88x = 19,533,450,973,321,688 - Step 5: Solve for x
x = 19,533,450,973,321,688/137,673,656.88 - Step 6: Final answer
x = 141,882,270.12
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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.