Finding the Fourth Proportional to 75,785,693.16, 104,585,618.90 and 44,446,345.54
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Solution
The fourth proportional to 75,785,693.16, 104,585,618.90 and 44,446,345.54 is: 61,336,755.82
Step by Step Solution
- Step 1: Write the proportion equation
75,785,693.16 : 104,585,618.90 = 44,446,345.54 : x - Step 2: Convert to fraction form
75,785,693.16/104,585,618.90 = 44,446,345.54/x - Step 3: Cross multiply
75,785,693.16x = 104,585,618.90 × 44,446,345.54 - Step 4: Simplify right side
75,785,693.16x = 4,648,448,555,993,807 - Step 5: Solve for x
x = 4,648,448,555,993,807/75,785,693.16 - Step 6: Final answer
x = 61,336,755.82
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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.