Finding the Fourth Proportional to 65,302,655.81, 97,968,155.49 and 19,863,269.33
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Solution
The fourth proportional to 65,302,655.81, 97,968,155.49 and 19,863,269.33 is: 29,799,214.66
Step by Step Solution
- Step 1: Write the proportion equation
65,302,655.81 : 97,968,155.49 = 19,863,269.33 : x - Step 2: Convert to fraction form
65,302,655.81/97,968,155.49 = 19,863,269.33/x - Step 3: Cross multiply
65,302,655.81x = 97,968,155.49 × 19,863,269.33 - Step 4: Simplify right side
65,302,655.81x = 1,945,967,858,161,871.50 - Step 5: Solve for x
x = 1,945,967,858,161,871.50/65,302,655.81 - Step 6: Final answer
x = 29,799,214.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.