Finding the Fourth Proportional to 83,519,727.08, 115,259,844.39 and 48,236,876.73
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Solution
The fourth proportional to 83,519,727.08, 115,259,844.39 and 48,236,876.73 is: 66,568,403.66
Step by Step Solution
- Step 1: Write the proportion equation
83,519,727.08 : 115,259,844.39 = 48,236,876.73 : x - Step 2: Convert to fraction form
83,519,727.08/115,259,844.39 = 48,236,876.73/x - Step 3: Cross multiply
83,519,727.08x = 115,259,844.39 × 48,236,876.73 - Step 4: Simplify right side
83,519,727.08x = 5,559,774,905,759,412 - Step 5: Solve for x
x = 5,559,774,905,759,412/83,519,727.08 - Step 6: Final answer
x = 66,568,403.66
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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.