Finding the Fourth Proportional to 275,304,095.97, 379,927,483.91 and 149,864,381.40
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Solution
The fourth proportional to 275,304,095.97, 379,927,483.91 and 149,864,381.40 is: 206,817,109.46
Step by Step Solution
- Step 1: Write the proportion equation
275,304,095.97 : 379,927,483.91 = 149,864,381.40 : x - Step 2: Convert to fraction form
275,304,095.97/379,927,483.91 = 149,864,381.40/x - Step 3: Cross multiply
275,304,095.97x = 379,927,483.91 × 149,864,381.40 - Step 4: Simplify right side
275,304,095.97x = 56,937,597,352,972,744 - Step 5: Solve for x
x = 56,937,597,352,972,744/275,304,095.97 - Step 6: Final answer
x = 206,817,109.46
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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.