Finding the Fourth Proportional to 177,168,515.20, 265,752,772.80 and 69,463,139.20
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Solution
The fourth proportional to 177,168,515.20, 265,752,772.80 and 69,463,139.20 is: 104,194,708.80
Step by Step Solution
- Step 1: Write the proportion equation
177,168,515.20 : 265,752,772.80 = 69,463,139.20 : x - Step 2: Convert to fraction form
177,168,515.20/265,752,772.80 = 69,463,139.20/x - Step 3: Cross multiply
177,168,515.20x = 265,752,772.80 × 69,463,139.20 - Step 4: Simplify right side
177,168,515.20x = 18,460,021,849,792,376 - Step 5: Solve for x
x = 18,460,021,849,792,376/177,168,515.20 - Step 6: Final answer
x = 104,194,708.80
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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.