Finding the Fourth Proportional to 130,711,021.45, 196,033,858.40 and 38,576,473.09
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Solution
The fourth proportional to 130,711,021.45, 196,033,858.40 and 38,576,473.09 is: 57,855,066.69
Step by Step Solution
- Step 1: Write the proportion equation
130,711,021.45 : 196,033,858.40 = 38,576,473.09 : x - Step 2: Convert to fraction form
130,711,021.45/196,033,858.40 = 38,576,473.09/x - Step 3: Cross multiply
130,711,021.45x = 196,033,858.40 × 38,576,473.09 - Step 4: Simplify right side
130,711,021.45x = 7,562,294,863,296,471 - Step 5: Solve for x
x = 7,562,294,863,296,471/130,711,021.45 - Step 6: Final answer
x = 57,855,066.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.