Finding the Fourth Proportional to 134,995,485.48, 186,308,911.36 and 76,261,934.01
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Solution
The fourth proportional to 134,995,485.48, 186,308,911.36 and 76,261,934.01 is: 105,250,022.64
Step by Step Solution
- Step 1: Write the proportion equation
134,995,485.48 : 186,308,911.36 = 76,261,934.01 : x - Step 2: Convert to fraction form
134,995,485.48/186,308,911.36 = 76,261,934.01/x - Step 3: Cross multiply
134,995,485.48x = 186,308,911.36 × 76,261,934.01 - Step 4: Simplify right side
134,995,485.48x = 14,208,277,903,102,768 - Step 5: Solve for x
x = 14,208,277,903,102,768/134,995,485.48 - Step 6: Final answer
x = 105,250,022.64
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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.