Finding the Fourth Proportional to 65,123,312.27, 97,664,228.81 and 21,393,920.26
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Solution
The fourth proportional to 65,123,312.27, 97,664,228.81 and 21,393,920.26 is: 32,084,067.14
Step by Step Solution
- Step 1: Write the proportion equation
65,123,312.27 : 97,664,228.81 = 21,393,920.26 : x - Step 2: Convert to fraction form
65,123,312.27/97,664,228.81 = 21,393,920.26/x - Step 3: Cross multiply
65,123,312.27x = 97,664,228.81 × 21,393,920.26 - Step 4: Simplify right side
65,123,312.27x = 2,089,420,723,415,535 - Step 5: Solve for x
x = 2,089,420,723,415,535/65,123,312.27 - Step 6: Final answer
x = 32,084,067.14
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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.