Finding the Fourth Proportional to 87,418,308.89, 120,634,106.27 and 48,259,246.47
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Solution
The fourth proportional to 87,418,308.89, 120,634,106.27 and 48,259,246.47 is: 66,596,015.65
Step by Step Solution
- Step 1: Write the proportion equation
87,418,308.89 : 120,634,106.27 = 48,259,246.47 : x - Step 2: Convert to fraction form
87,418,308.89/120,634,106.27 = 48,259,246.47/x - Step 3: Cross multiply
87,418,308.89x = 120,634,106.27 × 48,259,246.47 - Step 4: Simplify right side
87,418,308.89x = 5,821,711,066,930,806 - Step 5: Solve for x
x = 5,821,711,066,930,806/87,418,308.89 - Step 6: Final answer
x = 66,596,015.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.