Finding the Fourth Proportional to 176,976,643.80, 265,464,965.70 and 146,743,555.80
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Solution
The fourth proportional to 176,976,643.80, 265,464,965.70 and 146,743,555.80 is: 220,115,333.70
Step by Step Solution
- Step 1: Write the proportion equation
176,976,643.80 : 265,464,965.70 = 146,743,555.80 : x - Step 2: Convert to fraction form
176,976,643.80/265,464,965.70 = 146,743,555.80/x - Step 3: Cross multiply
176,976,643.80x = 265,464,965.70 × 146,743,555.80 - Step 4: Simplify right side
176,976,643.80x = 38,955,273,007,143,040 - Step 5: Solve for x
x = 38,955,273,007,143,040/176,976,643.80 - Step 6: Final answer
x = 220,115,333.70
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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.