Finding the Fourth Proportional to 122,624,010, 169,225,218.84 and 66,872,472.12
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Solution
The fourth proportional to 122,624,010, 169,225,218.84 and 66,872,472.12 is: 92,286,239.28
Step by Step Solution
- Step 1: Write the proportion equation
122,624,010 : 169,225,218.84 = 66,872,472.12 : x - Step 2: Convert to fraction form
122,624,010/169,225,218.84 = 66,872,472.12/x - Step 3: Cross multiply
122,624,010x = 169,225,218.84 × 66,872,472.12 - Step 4: Simplify right side
122,624,010x = 11,316,508,728,878,798 - Step 5: Solve for x
x = 11,316,508,728,878,798/122,624,010 - Step 6: Final answer
x = 92,286,239.28
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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.