Finding the Fourth Proportional to 176,256,117.20, 264,202,217.40 and 79,258,293.20
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Solution
The fourth proportional to 176,256,117.20, 264,202,217.40 and 79,258,293.20 is: 118,805,617.32
Step by Step Solution
- Step 1: Write the proportion equation
176,256,117.20 : 264,202,217.40 = 79,258,293.20 : x - Step 2: Convert to fraction form
176,256,117.20/264,202,217.40 = 79,258,293.20/x - Step 3: Cross multiply
176,256,117.20x = 264,202,217.40 × 79,258,293.20 - Step 4: Simplify right side
176,256,117.20x = 20,940,216,810,779,344 - Step 5: Solve for x
x = 20,940,216,810,779,344/176,256,117.20 - Step 6: Final answer
x = 118,805,617.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.