Finding the Fourth Proportional to 186,185,440.80, 256,935,907.32 and 107,914,395.06
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Solution
The fourth proportional to 186,185,440.80, 256,935,907.32 and 107,914,395.06 is: 148,921,864.61
Step by Step Solution
- Step 1: Write the proportion equation
186,185,440.80 : 256,935,907.32 = 107,914,395.06 : x - Step 2: Convert to fraction form
186,185,440.80/256,935,907.32 = 107,914,395.06/x - Step 3: Cross multiply
186,185,440.80x = 256,935,907.32 × 107,914,395.06 - Step 4: Simplify right side
186,185,440.80x = 27,727,083,007,630,024 - Step 5: Solve for x
x = 27,727,083,007,630,024/186,185,440.80 - Step 6: Final answer
x = 148,921,864.61
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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.