Finding the Fourth Proportional to 120,850,115.18, 180,913,857.58 and 74,016,135.52
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Solution
The fourth proportional to 120,850,115.18, 180,913,857.58 and 74,016,135.52 is: 110,802,911.37
Step by Step Solution
- Step 1: Write the proportion equation
120,850,115.18 : 180,913,857.58 = 74,016,135.52 : x - Step 2: Convert to fraction form
120,850,115.18/180,913,857.58 = 74,016,135.52/x - Step 3: Cross multiply
120,850,115.18x = 180,913,857.58 × 74,016,135.52 - Step 4: Simplify right side
120,850,115.18x = 13,390,544,600,953,120 - Step 5: Solve for x
x = 13,390,544,600,953,120/120,850,115.18 - Step 6: Final answer
x = 110,802,911.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.