Finding the Fourth Proportional to 163,974,743.28, 226,307,646.36 and 94,358,703.60
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Solution
The fourth proportional to 163,974,743.28, 226,307,646.36 and 94,358,703.60 is: 130,227,958.88
Step by Step Solution
- Step 1: Write the proportion equation
163,974,743.28 : 226,307,646.36 = 94,358,703.60 : x - Step 2: Convert to fraction form
163,974,743.28/226,307,646.36 = 94,358,703.60/x - Step 3: Cross multiply
163,974,743.28x = 226,307,646.36 × 94,358,703.60 - Step 4: Simplify right side
163,974,743.28x = 21,354,096,125,296,860 - Step 5: Solve for x
x = 21,354,096,125,296,860/163,974,743.28 - Step 6: Final answer
x = 130,227,958.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.