Finding the Fourth Proportional to 111,240,574.29, 153,497,882.68 and 60,991,569.40
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Solution
The fourth proportional to 111,240,574.29, 153,497,882.68 and 60,991,569.40 is: 84,160,629.55
Step by Step Solution
- Step 1: Write the proportion equation
111,240,574.29 : 153,497,882.68 = 60,991,569.40 : x - Step 2: Convert to fraction form
111,240,574.29/153,497,882.68 = 60,991,569.40/x - Step 3: Cross multiply
111,240,574.29x = 153,497,882.68 × 60,991,569.40 - Step 4: Simplify right side
111,240,574.29x = 9,362,076,764,230,278 - Step 5: Solve for x
x = 9,362,076,764,230,278/111,240,574.29 - Step 6: Final answer
x = 84,160,629.55
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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.