Finding the Fourth Proportional to 77,895,930.96, 107,460,189 and 50,402,742.48
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Solution
The fourth proportional to 77,895,930.96, 107,460,189 and 50,402,742.48 is: 69,532,364.09
Step by Step Solution
- Step 1: Write the proportion equation
77,895,930.96 : 107,460,189 = 50,402,742.48 : x - Step 2: Convert to fraction form
77,895,930.96/107,460,189 = 50,402,742.48/x - Step 3: Cross multiply
77,895,930.96x = 107,460,189 × 50,402,742.48 - Step 4: Simplify right side
77,895,930.96x = 5,416,288,233,019,128 - Step 5: Solve for x
x = 5,416,288,233,019,128/77,895,930.96 - Step 6: Final answer
x = 69,532,364.09
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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.