Finding the Fourth Proportional to 177,131,497.40, 265,697,246.10 and 108,752,463.80
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Solution
The fourth proportional to 177,131,497.40, 265,697,246.10 and 108,752,463.80 is: 163,128,695.70
Step by Step Solution
- Step 1: Write the proportion equation
177,131,497.40 : 265,697,246.10 = 108,752,463.80 : x - Step 2: Convert to fraction form
177,131,497.40/265,697,246.10 = 108,752,463.80/x - Step 3: Cross multiply
177,131,497.40x = 265,697,246.10 × 108,752,463.80 - Step 4: Simplify right side
177,131,497.40x = 28,895,230,138,249,940 - Step 5: Solve for x
x = 28,895,230,138,249,940/177,131,497.40 - Step 6: Final answer
x = 163,128,695.70
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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.