Finding the Fourth Proportional to 127,467,093,305.23, 175,920,013,627.35 and 72,547,619,215.99
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Solution
The fourth proportional to 127,467,093,305.23, 175,920,013,627.35 and 72,547,619,215.99 is: 100,124,493,547.11
Step by Step Solution
- Step 1: Write the proportion equation
127,467,093,305.23 : 175,920,013,627.35 = 72,547,619,215.99 : x - Step 2: Convert to fraction form
127,467,093,305.23/175,920,013,627.35 = 72,547,619,215.99/x - Step 3: Cross multiply
127,467,093,305.23x = 175,920,013,627.35 × 72,547,619,215.99 - Step 4: Simplify right side
127,467,093,305.23x = 12,762,578,161,108,760,133,632 - Step 5: Solve for x
x = 12,762,578,161,108,760,133,632/127,467,093,305.23 - Step 6: Final answer
x = 100,124,493,547.11
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1.5x scale
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.