Finding the Fourth Proportional to 216,030,122.23, 324,031,731.24 and 133,047,665.26
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Solution
The fourth proportional to 216,030,122.23, 324,031,731.24 and 133,047,665.26 is: 199,563,213.07
Step by Step Solution
- Step 1: Write the proportion equation
216,030,122.23 : 324,031,731.24 = 133,047,665.26 : x - Step 2: Convert to fraction form
216,030,122.23/324,031,731.24 = 133,047,665.26/x - Step 3: Cross multiply
216,030,122.23x = 324,031,731.24 × 133,047,665.26 - Step 4: Simplify right side
216,030,122.23x = 43,111,665,311,637,808 - Step 5: Solve for x
x = 43,111,665,311,637,808/216,030,122.23 - Step 6: Final answer
x = 199,563,213.07
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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.