Finding the Fourth Proportional to 152,157,619, 209,977,514.24 and 86,968,922.68
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Solution
The fourth proportional to 152,157,619, 209,977,514.24 and 86,968,922.68 is: 120,017,113.31
Step by Step Solution
- Step 1: Write the proportion equation
152,157,619 : 209,977,514.24 = 86,968,922.68 : x - Step 2: Convert to fraction form
152,157,619/209,977,514.24 = 86,968,922.68/x - Step 3: Cross multiply
152,157,619x = 209,977,514.24 × 86,968,922.68 - Step 4: Simplify right side
152,157,619x = 18,261,518,200,477,160 - Step 5: Solve for x
x = 18,261,518,200,477,160/152,157,619 - Step 6: Final answer
x = 120,017,113.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.