Finding the Fourth Proportional to 72,277,616.44, 108,187,707.79 and 46,335,247.48
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Solution
The fourth proportional to 72,277,616.44, 108,187,707.79 and 46,335,247.48 is: 69,356,246.95
Step by Step Solution
- Step 1: Write the proportion equation
72,277,616.44 : 108,187,707.79 = 46,335,247.48 : x - Step 2: Convert to fraction form
72,277,616.44/108,187,707.79 = 46,335,247.48/x - Step 3: Cross multiply
72,277,616.44x = 108,187,707.79 × 46,335,247.48 - Step 4: Simplify right side
72,277,616.44x = 5,012,904,214,743,574 - Step 5: Solve for x
x = 5,012,904,214,743,574/72,277,616.44 - Step 6: Final answer
x = 69,356,246.95
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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.