Finding the Fourth Proportional to 70,314,312.99, 97,033,737.92 and 38,954,399.79
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Solution
The fourth proportional to 70,314,312.99, 97,033,737.92 and 38,954,399.79 is: 53,757,063.95
Step by Step Solution
- Step 1: Write the proportion equation
70,314,312.99 : 97,033,737.92 = 38,954,399.79 : x - Step 2: Convert to fraction form
70,314,312.99/97,033,737.92 = 38,954,399.79/x - Step 3: Cross multiply
70,314,312.99x = 97,033,737.92 × 38,954,399.79 - Step 4: Simplify right side
70,314,312.99x = 3,779,891,019,858,991 - Step 5: Solve for x
x = 3,779,891,019,858,991/70,314,312.99 - Step 6: Final answer
x = 53,757,063.95
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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.