Finding the Fourth Proportional to 98,656,381,653.30, 136,122,472,581.84 and 55,836,864,523.98
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Solution
The fourth proportional to 98,656,381,653.30, 136,122,472,581.84 and 55,836,864,523.98 is: 77,041,666,568.84
Step by Step Solution
- Step 1: Write the proportion equation
98,656,381,653.30 : 136,122,472,581.84 = 55,836,864,523.98 : x - Step 2: Convert to fraction form
98,656,381,653.30/136,122,472,581.84 = 55,836,864,523.98/x - Step 3: Cross multiply
98,656,381,653.30x = 136,122,472,581.84 × 55,836,864,523.98 - Step 4: Simplify right side
98,656,381,653.30x = 7,600,652,060,221,382,852,608 - Step 5: Solve for x
x = 7,600,652,060,221,382,852,608/98,656,381,653.30 - Step 6: Final answer
x = 77,041,666,568.84
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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.