Finding the Fourth Proportional to 64,430,172.42, 88,914,708.11 and 35,062,742.76
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Solution
The fourth proportional to 64,430,172.42, 88,914,708.11 and 35,062,742.76 is: 48,387,167.39
Step by Step Solution
- Step 1: Write the proportion equation
64,430,172.42 : 88,914,708.11 = 35,062,742.76 : x - Step 2: Convert to fraction form
64,430,172.42/88,914,708.11 = 35,062,742.76/x - Step 3: Cross multiply
64,430,172.42x = 88,914,708.11 × 35,062,742.76 - Step 4: Simplify right side
64,430,172.42x = 3,117,593,537,866,102 - Step 5: Solve for x
x = 3,117,593,537,866,102/64,430,172.42 - Step 6: Final answer
x = 48,387,167.39
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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.