Finding the Fourth Proportional to 121,815,930.16, 182,650,903.98 and 38,781,797.68
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Solution
The fourth proportional to 121,815,930.16, 182,650,903.98 and 38,781,797.68 is: 58,149,458.74
Step by Step Solution
- Step 1: Write the proportion equation
121,815,930.16 : 182,650,903.98 = 38,781,797.68 : x - Step 2: Convert to fraction form
121,815,930.16/182,650,903.98 = 38,781,797.68/x - Step 3: Cross multiply
121,815,930.16x = 182,650,903.98 × 38,781,797.68 - Step 4: Simplify right side
121,815,930.16x = 7,083,530,404,221,466 - Step 5: Solve for x
x = 7,083,530,404,221,466/121,815,930.16 - Step 6: Final answer
x = 58,149,458.74
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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.