Finding the Fourth Proportional to 306,633,742.80, 459,782,652.60 and 124,675,342.80
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Solution
The fourth proportional to 306,633,742.80, 459,782,652.60 and 124,675,342.80 is: 186,944,722.07
Step by Step Solution
- Step 1: Write the proportion equation
306,633,742.80 : 459,782,652.60 = 124,675,342.80 : x - Step 2: Convert to fraction form
306,633,742.80/459,782,652.60 = 124,675,342.80/x - Step 3: Cross multiply
306,633,742.80x = 459,782,652.60 × 124,675,342.80 - Step 4: Simplify right side
306,633,742.80x = 57,323,559,826,398,312 - Step 5: Solve for x
x = 57,323,559,826,398,312/306,633,742.80 - Step 6: Final answer
x = 186,944,722.07
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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.