Finding the Fourth Proportional to 70,707,889.75, 97,521,609.03 and 45,936,058.09
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Solution
The fourth proportional to 70,707,889.75, 97,521,609.03 and 45,936,058.09 is: 63,355,847.75
Step by Step Solution
- Step 1: Write the proportion equation
70,707,889.75 : 97,521,609.03 = 45,936,058.09 : x - Step 2: Convert to fraction form
70,707,889.75/97,521,609.03 = 45,936,058.09/x - Step 3: Cross multiply
70,707,889.75x = 97,521,609.03 × 45,936,058.09 - Step 4: Simplify right side
70,707,889.75x = 4,479,758,297,432,349 - Step 5: Solve for x
x = 4,479,758,297,432,349/70,707,889.75 - Step 6: Final answer
x = 63,355,847.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.