Finding the Fourth Proportional to 104,979,375.15, 157,469,062.73 and 66,432,187.95
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Solution
The fourth proportional to 104,979,375.15, 157,469,062.73 and 66,432,187.95 is: 99,648,281.93
Step by Step Solution
- Step 1: Write the proportion equation
104,979,375.15 : 157,469,062.73 = 66,432,187.95 : x - Step 2: Convert to fraction form
104,979,375.15/157,469,062.73 = 66,432,187.95/x - Step 3: Cross multiply
104,979,375.15x = 157,469,062.73 × 66,432,187.95 - Step 4: Simplify right side
104,979,375.15x = 10,461,014,371,257,540 - Step 5: Solve for x
x = 10,461,014,371,257,540/104,979,375.15 - Step 6: Final answer
x = 99,648,281.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.