Finding the Fourth Proportional to 347,405,437.58, 521,124,916.13 and 114,230,987.21
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Solution
The fourth proportional to 347,405,437.58, 521,124,916.13 and 114,230,987.21 is: 171,351,991.62
Step by Step Solution
- Step 1: Write the proportion equation
347,405,437.58 : 521,124,916.13 = 114,230,987.21 : x - Step 2: Convert to fraction form
347,405,437.58/521,124,916.13 = 114,230,987.21/x - Step 3: Cross multiply
347,405,437.58x = 521,124,916.13 × 114,230,987.21 - Step 4: Simplify right side
347,405,437.58x = 59,528,613,629,258,352 - Step 5: Solve for x
x = 59,528,613,629,258,352/347,405,437.58 - Step 6: Final answer
x = 171,351,991.62
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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.