Finding the Fourth Proportional to 83,349,341.07, 115,022,090.67 and 46,679,912.07
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Solution
The fourth proportional to 83,349,341.07, 115,022,090.67 and 46,679,912.07 is: 64,418,278.65
Step by Step Solution
- Step 1: Write the proportion equation
83,349,341.07 : 115,022,090.67 = 46,679,912.07 : x - Step 2: Convert to fraction form
83,349,341.07/115,022,090.67 = 46,679,912.07/x - Step 3: Cross multiply
83,349,341.07x = 115,022,090.67 × 46,679,912.07 - Step 4: Simplify right side
83,349,341.07x = 5,369,221,078,583,168 - Step 5: Solve for x
x = 5,369,221,078,583,168/83,349,341.07 - Step 6: Final answer
x = 64,418,278.65
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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.