Finding the Fourth Proportional to 81,737,109.64, 122,620,775.80 and 23,442,347.08
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Solution
The fourth proportional to 81,737,109.64, 122,620,775.80 and 23,442,347.08 is: 35,167,854.58
Step by Step Solution
- Step 1: Write the proportion equation
81,737,109.64 : 122,620,775.80 = 23,442,347.08 : x - Step 2: Convert to fraction form
81,737,109.64/122,620,775.80 = 23,442,347.08/x - Step 3: Cross multiply
81,737,109.64x = 122,620,775.80 × 23,442,347.08 - Step 4: Simplify right side
81,737,109.64x = 2,874,518,785,522,464.50 - Step 5: Solve for x
x = 2,874,518,785,522,464.50/81,737,109.64 - Step 6: Final answer
x = 35,167,854.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.