Finding the Fourth Proportional to 159,605,518.55, 239,214,181.08 and 112,932,451.40
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Solution
The fourth proportional to 159,605,518.55, 239,214,181.08 and 112,932,451.40 is: 169,261,339.61
Step by Step Solution
- Step 1: Write the proportion equation
159,605,518.55 : 239,214,181.08 = 112,932,451.40 : x - Step 2: Convert to fraction form
159,605,518.55/239,214,181.08 = 112,932,451.40/x - Step 3: Cross multiply
159,605,518.55x = 239,214,181.08 × 112,932,451.40 - Step 4: Simplify right side
159,605,518.55x = 27,015,043,879,007,904 - Step 5: Solve for x
x = 27,015,043,879,007,904/159,605,518.55 - Step 6: Final answer
x = 169,261,339.61
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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.