Finding the Fourth Proportional to 77,686,580.01, 107,191,476.84 and 44,640,444.66
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Solution
The fourth proportional to 77,686,580.01, 107,191,476.84 and 44,640,444.66 is: 61,594,617.62
Step by Step Solution
- Step 1: Write the proportion equation
77,686,580.01 : 107,191,476.84 = 44,640,444.66 : x - Step 2: Convert to fraction form
77,686,580.01/107,191,476.84 = 44,640,444.66/x - Step 3: Cross multiply
77,686,580.01x = 107,191,476.84 × 44,640,444.66 - Step 4: Simplify right side
77,686,580.01x = 4,785,075,189,899,691 - Step 5: Solve for x
x = 4,785,075,189,899,691/77,686,580.01 - Step 6: Final answer
x = 61,594,617.62
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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.