Finding the Fourth Proportional to 119,119,209.74, 178,524,335.79 and 53,491,888.70
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Solution
The fourth proportional to 119,119,209.74, 178,524,335.79 and 53,491,888.70 is: 80,168,462.51
Step by Step Solution
- Step 1: Write the proportion equation
119,119,209.74 : 178,524,335.79 = 53,491,888.70 : x - Step 2: Convert to fraction form
119,119,209.74/178,524,335.79 = 53,491,888.70/x - Step 3: Cross multiply
119,119,209.74x = 178,524,335.79 × 53,491,888.70 - Step 4: Simplify right side
119,119,209.74x = 9,549,603,899,427,484 - Step 5: Solve for x
x = 9,549,603,899,427,484/119,119,209.74 - Step 6: Final answer
x = 80,168,462.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.