Finding the Fourth Proportional to 55,064,106.55, 82,521,755.81 and 20,966,851.99
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Solution
The fourth proportional to 55,064,106.55, 82,521,755.81 and 20,966,851.99 is: 31,421,947.04
Step by Step Solution
- Step 1: Write the proportion equation
55,064,106.55 : 82,521,755.81 = 20,966,851.99 : x - Step 2: Convert to fraction form
55,064,106.55/82,521,755.81 = 20,966,851.99/x - Step 3: Cross multiply
55,064,106.55x = 82,521,755.81 × 20,966,851.99 - Step 4: Simplify right side
55,064,106.55x = 1,730,221,440,100,136.25 - Step 5: Solve for x
x = 1,730,221,440,100,136.25/55,064,106.55 - Step 6: Final answer
x = 31,421,947.04
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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.