Finding the Fourth Proportional to 53,954,023.30, 80,896,238.93 and 21,167,905.68
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Solution
The fourth proportional to 53,954,023.30, 80,896,238.93 and 21,167,905.68 is: 31,738,206.92
Step by Step Solution
- Step 1: Write the proportion equation
53,954,023.30 : 80,896,238.93 = 21,167,905.68 : x - Step 2: Convert to fraction form
53,954,023.30/80,896,238.93 = 21,167,905.68/x - Step 3: Cross multiply
53,954,023.30x = 80,896,238.93 × 21,167,905.68 - Step 4: Simplify right side
53,954,023.30x = 1,712,403,955,589,904 - Step 5: Solve for x
x = 1,712,403,955,589,904/53,954,023.30 - Step 6: Final answer
x = 31,738,206.92
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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.