Finding the Fourth Proportional to 66,296,290.19, 91,490,945.76 and 38,043,836.87
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Solution
The fourth proportional to 66,296,290.19, 91,490,945.76 and 38,043,836.87 is: 52,501,680.04
Step by Step Solution
- Step 1: Write the proportion equation
66,296,290.19 : 91,490,945.76 = 38,043,836.87 : x - Step 2: Convert to fraction form
66,296,290.19/91,490,945.76 = 38,043,836.87/x - Step 3: Cross multiply
66,296,290.19x = 91,490,945.76 × 38,043,836.87 - Step 4: Simplify right side
66,296,290.19x = 3,480,666,615,118,004 - Step 5: Solve for x
x = 3,480,666,615,118,004/66,296,290.19 - Step 6: Final answer
x = 52,501,680.04
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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.