Finding the Fourth Proportional to 83,015,719.80, 124,523,579.70 and 44,751,967.80
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Solution
The fourth proportional to 83,015,719.80, 124,523,579.70 and 44,751,967.80 is: 67,127,951.70
Step by Step Solution
- Step 1: Write the proportion equation
83,015,719.80 : 124,523,579.70 = 44,751,967.80 : x - Step 2: Convert to fraction form
83,015,719.80/124,523,579.70 = 44,751,967.80/x - Step 3: Cross multiply
83,015,719.80x = 124,523,579.70 × 44,751,967.80 - Step 4: Simplify right side
83,015,719.80x = 5,572,675,229,075,133 - Step 5: Solve for x
x = 5,572,675,229,075,133/83,015,719.80 - Step 6: Final answer
x = 67,127,951.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.