Finding the Fourth Proportional to 75,136,473.68, 112,703,106 and 20,549,059.40
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Solution
The fourth proportional to 75,136,473.68, 112,703,106 and 20,549,059.40 is: 30,823,150.28
Step by Step Solution
- Step 1: Write the proportion equation
75,136,473.68 : 112,703,106 = 20,549,059.40 : x - Step 2: Convert to fraction form
75,136,473.68/112,703,106 = 20,549,059.40/x - Step 3: Cross multiply
75,136,473.68x = 112,703,106 × 20,549,059.40 - Step 4: Simplify right side
75,136,473.68x = 2,315,942,819,758,496 - Step 5: Solve for x
x = 2,315,942,819,758,496/75,136,473.68 - Step 6: Final answer
x = 30,823,150.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.