Finding the Fourth Proportional to 76,873,840.14, 115,287,032.17 and 22,290,449.02
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Solution
The fourth proportional to 76,873,840.14, 115,287,032.17 and 22,290,449.02 is: 33,428,793.31
Step by Step Solution
- Step 1: Write the proportion equation
76,873,840.14 : 115,287,032.17 = 22,290,449.02 : x - Step 2: Convert to fraction form
76,873,840.14/115,287,032.17 = 22,290,449.02/x - Step 3: Cross multiply
76,873,840.14x = 115,287,032.17 × 22,290,449.02 - Step 4: Simplify right side
76,873,840.14x = 2,569,799,713,252,485 - Step 5: Solve for x
x = 2,569,799,713,252,485/76,873,840.14 - Step 6: Final answer
x = 33,428,793.31
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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.