Finding the Fourth Proportional to 265,998,806.97, 399,036,289.98 and 81,781,751.24
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Solution
The fourth proportional to 265,998,806.97, 399,036,289.98 and 81,781,751.24 is: 122,684,334.46
Step by Step Solution
- Step 1: Write the proportion equation
265,998,806.97 : 399,036,289.98 = 81,781,751.24 : x - Step 2: Convert to fraction form
265,998,806.97/399,036,289.98 = 81,781,751.24/x - Step 3: Cross multiply
265,998,806.97x = 399,036,289.98 × 81,781,751.24 - Step 4: Simplify right side
265,998,806.97x = 32,633,886,600,881,684 - Step 5: Solve for x
x = 32,633,886,600,881,684/265,998,806.97 - Step 6: Final answer
x = 122,684,334.46
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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.