Finding the Fourth Proportional to 104,687,823.41, 144,470,265.40 and 57,649,271.07
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Solution
The fourth proportional to 104,687,823.41, 144,470,265.40 and 57,649,271.07 is: 79,556,582.80
Step by Step Solution
- Step 1: Write the proportion equation
104,687,823.41 : 144,470,265.40 = 57,649,271.07 : x - Step 2: Convert to fraction form
104,687,823.41/144,470,265.40 = 57,649,271.07/x - Step 3: Cross multiply
104,687,823.41x = 144,470,265.40 × 57,649,271.07 - Step 4: Simplify right side
104,687,823.41x = 8,328,605,491,599,442 - Step 5: Solve for x
x = 8,328,605,491,599,442/104,687,823.41 - Step 6: Final answer
x = 79,556,582.80
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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.