Finding the Fourth Proportional to 195,387,510.24, 269,638,620.52 and 107,280,737.08
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Solution
The fourth proportional to 195,387,510.24, 269,638,620.52 and 107,280,737.08 is: 148,049,534.58
Step by Step Solution
- Step 1: Write the proportion equation
195,387,510.24 : 269,638,620.52 = 107,280,737.08 : x - Step 2: Convert to fraction form
195,387,510.24/269,638,620.52 = 107,280,737.08/x - Step 3: Cross multiply
195,387,510.24x = 269,638,620.52 × 107,280,737.08 - Step 4: Simplify right side
195,387,510.24x = 28,927,029,954,620,012 - Step 5: Solve for x
x = 28,927,029,954,620,012/195,387,510.24 - Step 6: Final answer
x = 148,049,534.58
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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.