Finding the Fourth Proportional to 109,146,774,961.39, 163,573,818,489.99 and 84,946,381,208.48
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Solution
The fourth proportional to 109,146,774,961.39, 163,573,818,489.99 and 84,946,381,208.48 is: 127,305,675,738.86
Step by Step Solution
- Step 1: Write the proportion equation
109,146,774,961.39 : 163,573,818,489.99 = 84,946,381,208.48 : x - Step 2: Convert to fraction form
109,146,774,961.39/163,573,818,489.99 = 84,946,381,208.48/x - Step 3: Cross multiply
109,146,774,961.39x = 163,573,818,489.99 × 84,946,381,208.48 - Step 4: Simplify right side
109,146,774,961.39x = 13,895,003,941,176,587,845,632 - Step 5: Solve for x
x = 13,895,003,941,176,587,845,632/109,146,774,961.39 - Step 6: Final answer
x = 127,305,675,738.86
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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.