Finding the Fourth Proportional to 122,987,758.50, 169,723,448.81 and 67,233,852.63
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Solution
The fourth proportional to 122,987,758.50, 169,723,448.81 and 67,233,852.63 is: 92,782,903.63
Step by Step Solution
- Step 1: Write the proportion equation
122,987,758.50 : 169,723,448.81 = 67,233,852.63 : x - Step 2: Convert to fraction form
122,987,758.50/169,723,448.81 = 67,233,852.63/x - Step 3: Cross multiply
122,987,758.50x = 169,723,448.81 × 67,233,852.63 - Step 4: Simplify right side
122,987,758.50x = 11,411,161,345,146,888 - Step 5: Solve for x
x = 11,411,161,345,146,888/122,987,758.50 - Step 6: Final answer
x = 92,782,903.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.