Finding the Fourth Proportional to 130,161,082.14, 179,621,799.48 and 71,424,729.99
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Solution
The fourth proportional to 130,161,082.14, 179,621,799.48 and 71,424,729.99 is: 98,565,856.38
Step by Step Solution
- Step 1: Write the proportion equation
130,161,082.14 : 179,621,799.48 = 71,424,729.99 : x - Step 2: Convert to fraction form
130,161,082.14/179,621,799.48 = 71,424,729.99/x - Step 3: Cross multiply
130,161,082.14x = 179,621,799.48 × 71,424,729.99 - Step 4: Simplify right side
130,161,082.14x = 12,829,438,528,176,920 - Step 5: Solve for x
x = 12,829,438,528,176,920/130,161,082.14 - Step 6: Final answer
x = 98,565,856.38
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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.