Finding the Fourth Proportional to 48,499,325.20, 66,919,077.67 and 27,868,785.58
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Solution
The fourth proportional to 48,499,325.20, 66,919,077.67 and 27,868,785.58 is: 38,453,182.99
Step by Step Solution
- Step 1: Write the proportion equation
48,499,325.20 : 66,919,077.67 = 27,868,785.58 : x - Step 2: Convert to fraction form
48,499,325.20/66,919,077.67 = 27,868,785.58/x - Step 3: Cross multiply
48,499,325.20x = 66,919,077.67 × 27,868,785.58 - Step 4: Simplify right side
48,499,325.20x = 1,864,953,426,862,854.75 - Step 5: Solve for x
x = 1,864,953,426,862,854.75/48,499,325.20 - Step 6: Final answer
x = 38,453,182.99
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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.