Finding the Fourth Proportional to 105,062,495.97, 157,655,155.10 and 75,887,566.05
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Solution
The fourth proportional to 105,062,495.97, 157,655,155.10 and 75,887,566.05 is: 113,875,706.88
Step by Step Solution
- Step 1: Write the proportion equation
105,062,495.97 : 157,655,155.10 = 75,887,566.05 : x - Step 2: Convert to fraction form
105,062,495.97/157,655,155.10 = 75,887,566.05/x - Step 3: Cross multiply
105,062,495.97x = 157,655,155.10 × 75,887,566.05 - Step 4: Simplify right side
105,062,495.97x = 11,964,065,995,394,806 - Step 5: Solve for x
x = 11,964,065,995,394,806/105,062,495.97 - Step 6: Final answer
x = 113,875,706.88
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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.