Finding the Fourth Proportional to 146,367,858.14, 201,985,738.42 and 83,643,242.42
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Solution
The fourth proportional to 146,367,858.14, 201,985,738.42 and 83,643,242.42 is: 115,426,585.45
Step by Step Solution
- Step 1: Write the proportion equation
146,367,858.14 : 201,985,738.42 = 83,643,242.42 : x - Step 2: Convert to fraction form
146,367,858.14/201,985,738.42 = 83,643,242.42/x - Step 3: Cross multiply
146,367,858.14x = 201,985,738.42 × 83,643,242.42 - Step 4: Simplify right side
146,367,858.14x = 16,894,742,084,046,768 - Step 5: Solve for x
x = 16,894,742,084,046,768/146,367,858.14 - Step 6: Final answer
x = 115,426,585.45
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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.