Finding the Fourth Proportional to 121,371,781,204.20, 182,057,671,806.30 and 51,569,627,629.80
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Solution
The fourth proportional to 121,371,781,204.20, 182,057,671,806.30 and 51,569,627,629.80 is: 77,354,441,444.70
Step by Step Solution
- Step 1: Write the proportion equation
121,371,781,204.20 : 182,057,671,806.30 = 51,569,627,629.80 : x - Step 2: Convert to fraction form
121,371,781,204.20/182,057,671,806.30 = 51,569,627,629.80/x - Step 3: Cross multiply
121,371,781,204.20x = 182,057,671,806.30 × 51,569,627,629.80 - Step 4: Simplify right side
121,371,781,204.20x = 9,388,646,342,199,228,760,064 - Step 5: Solve for x
x = 9,388,646,342,199,228,760,064/121,371,781,204.20 - Step 6: Final answer
x = 77,354,441,444.70
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1.5x scale
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.