Finding the Fourth Proportional to 121,586,971.41, 182,391,668.60 and 39,706,278.66
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Solution
The fourth proportional to 121,586,971.41, 182,391,668.60 and 39,706,278.66 is: 59,563,079.29
Step by Step Solution
- Step 1: Write the proportion equation
121,586,971.41 : 182,391,668.60 = 39,706,278.66 : x - Step 2: Convert to fraction form
121,586,971.41/182,391,668.60 = 39,706,278.66/x - Step 3: Cross multiply
121,586,971.41x = 182,391,668.60 × 39,706,278.66 - Step 4: Simplify right side
121,586,971.41x = 7,242,094,418,495,440 - Step 5: Solve for x
x = 7,242,094,418,495,440/121,586,971.41 - Step 6: Final answer
x = 59,563,079.29
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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.