Finding the Fourth Proportional to 121,586,931.70, 182,391,609.29 and 39,706,239.11
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Solution
The fourth proportional to 121,586,931.70, 182,391,609.29 and 39,706,239.11 is: 59,563,020.05
Step by Step Solution
- Step 1: Write the proportion equation
121,586,931.70 : 182,391,609.29 = 39,706,239.11 : x - Step 2: Convert to fraction form
121,586,931.70/182,391,609.29 = 39,706,239.11/x - Step 3: Cross multiply
121,586,931.70x = 182,391,609.29 × 39,706,239.11 - Step 4: Simplify right side
121,586,931.70x = 7,242,084,849,927,906 - Step 5: Solve for x
x = 7,242,084,849,927,906/121,586,931.70 - Step 6: Final answer
x = 59,563,020.05
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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.