Finding the Fourth Proportional to 97,334,539.74, 134,313,153.35 and 57,634,948.43
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Solution
The fourth proportional to 97,334,539.74, 134,313,153.35 and 57,634,948.43 is: 79,531,188.90
Step by Step Solution
- Step 1: Write the proportion equation
97,334,539.74 : 134,313,153.35 = 57,634,948.43 : x - Step 2: Convert to fraction form
97,334,539.74/134,313,153.35 = 57,634,948.43/x - Step 3: Cross multiply
97,334,539.74x = 134,313,153.35 × 57,634,948.43 - Step 4: Simplify right side
97,334,539.74x = 7,741,131,666,126,977 - Step 5: Solve for x
x = 7,741,131,666,126,977/97,334,539.74 - Step 6: Final answer
x = 79,531,188.90
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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.