Finding the Fourth Proportional to 265,998,807.72, 399,036,291.10 and 81,781,751.99
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Solution
The fourth proportional to 265,998,807.72, 399,036,291.10 and 81,781,751.99 is: 122,684,335.60
Step by Step Solution
- Step 1: Write the proportion equation
265,998,807.72 : 399,036,291.10 = 81,781,751.99 : x - Step 2: Convert to fraction form
265,998,807.72/399,036,291.10 = 81,781,751.99/x - Step 3: Cross multiply
265,998,807.72x = 399,036,291.10 × 81,781,751.99 - Step 4: Simplify right side
265,998,807.72x = 32,633,886,994,542,784 - Step 5: Solve for x
x = 32,633,886,994,542,784/265,998,807.72 - Step 6: Final answer
x = 122,684,335.60
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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.