Finding the Fourth Proportional to 81,461,292.25, 112,415,792.95 and 44,291,572.03
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Solution
The fourth proportional to 81,461,292.25, 112,415,792.95 and 44,291,572.03 is: 61,121,939.68
Step by Step Solution
- Step 1: Write the proportion equation
81,461,292.25 : 112,415,792.95 = 44,291,572.03 : x - Step 2: Convert to fraction form
81,461,292.25/112,415,792.95 = 44,291,572.03/x - Step 3: Cross multiply
81,461,292.25x = 112,415,792.95 × 44,291,572.03 - Step 4: Simplify right side
81,461,292.25x = 4,979,072,190,754,491 - Step 5: Solve for x
x = 4,979,072,190,754,491/81,461,292.25 - Step 6: Final answer
x = 61,121,939.68
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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.