Finding the Fourth Proportional to 99,409,535.01, 137,067,774.35 and 68,062,784.49
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Solution
The fourth proportional to 99,409,535.01, 137,067,774.35 and 68,062,784.49 is: 93,846,273.25
Step by Step Solution
- Step 1: Write the proportion equation
99,409,535.01 : 137,067,774.35 = 68,062,784.49 : x - Step 2: Convert to fraction form
99,409,535.01/137,067,774.35 = 68,062,784.49/x - Step 3: Cross multiply
99,409,535.01x = 137,067,774.35 × 68,062,784.49 - Step 4: Simplify right side
99,409,535.01x = 9,329,214,385,767,686 - Step 5: Solve for x
x = 9,329,214,385,767,686/99,409,535.01 - Step 6: Final answer
x = 93,846,273.25
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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.