Finding the Fourth Proportional to 215,053,304,695.92, 296,772,525,746.05 and 118,708,548,406.75
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Solution
The fourth proportional to 215,053,304,695.92, 296,772,525,746.05 and 118,708,548,406.75 is: 163,817,225,632.18
Step by Step Solution
- Step 1: Write the proportion equation
215,053,304,695.92 : 296,772,525,746.05 = 118,708,548,406.75 : x - Step 2: Convert to fraction form
215,053,304,695.92/296,772,525,746.05 = 118,708,548,406.75/x - Step 3: Cross multiply
215,053,304,695.92x = 296,772,525,746.05 × 118,708,548,406.75 - Step 4: Simplify right side
215,053,304,695.92x = 35,229,435,738,318,436,302,848 - Step 5: Solve for x
x = 35,229,435,738,318,436,302,848/215,053,304,695.92 - Step 6: Final answer
x = 163,817,225,632.18
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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.