Finding the Fourth Proportional to 122,711,857.58, 169,345,906.91 and 67,711,256.94
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Solution
The fourth proportional to 122,711,857.58, 169,345,906.91 and 67,711,256.94 is: 93,443,489.82
Step by Step Solution
- Step 1: Write the proportion equation
122,711,857.58 : 169,345,906.91 = 67,711,256.94 : x - Step 2: Convert to fraction form
122,711,857.58/169,345,906.91 = 67,711,256.94/x - Step 3: Cross multiply
122,711,857.58x = 169,345,906.91 × 67,711,256.94 - Step 4: Simplify right side
122,711,857.58x = 11,466,624,214,520,330 - Step 5: Solve for x
x = 11,466,624,214,520,330/122,711,857.58 - Step 6: Final answer
x = 93,443,489.82
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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.