Finding the Fourth Proportional to 53,953,779.18, 74,456,162.78 and 29,173,906.70
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Solution
The fourth proportional to 53,953,779.18, 74,456,162.78 and 29,173,906.70 is: 40,259,962.85
Step by Step Solution
- Step 1: Write the proportion equation
53,953,779.18 : 74,456,162.78 = 29,173,906.70 : x - Step 2: Convert to fraction form
53,953,779.18/74,456,162.78 = 29,173,906.70/x - Step 3: Cross multiply
53,953,779.18x = 74,456,162.78 × 29,173,906.70 - Step 4: Simplify right side
53,953,779.18x = 2,172,177,145,665,582.50 - Step 5: Solve for x
x = 2,172,177,145,665,582.50/53,953,779.18 - Step 6: Final answer
x = 40,259,962.85
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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.