Finding the Fourth Proportional to 48,167,139.12, 66,470,686.68 and 26,140,632.72
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Solution
The fourth proportional to 48,167,139.12, 66,470,686.68 and 26,140,632.72 is: 36,074,091.98
Step by Step Solution
- Step 1: Write the proportion equation
48,167,139.12 : 66,470,686.68 = 26,140,632.72 : x - Step 2: Convert to fraction form
48,167,139.12/66,470,686.68 = 26,140,632.72/x - Step 3: Cross multiply
48,167,139.12x = 66,470,686.68 × 26,140,632.72 - Step 4: Simplify right side
48,167,139.12x = 1,737,585,807,148,076 - Step 5: Solve for x
x = 1,737,585,807,148,076/48,167,139.12 - Step 6: Final answer
x = 36,074,091.98
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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.