Finding the Fourth Proportional to 139,414,201.30, 209,121,301.95 and 124,347,848.95
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Solution
The fourth proportional to 139,414,201.30, 209,121,301.95 and 124,347,848.95 is: 186,521,773.43
Step by Step Solution
- Step 1: Write the proportion equation
139,414,201.30 : 209,121,301.95 = 124,347,848.95 : x - Step 2: Convert to fraction form
139,414,201.30/209,121,301.95 = 124,347,848.95/x - Step 3: Cross multiply
139,414,201.30x = 209,121,301.95 × 124,347,848.95 - Step 4: Simplify right side
139,414,201.30x = 26,003,784,067,105,940 - Step 5: Solve for x
x = 26,003,784,067,105,940/139,414,201.30 - Step 6: Final answer
x = 186,521,773.43
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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.