Finding the Fourth Proportional to 76,723,701.40, 115,071,686.43 and 22,122,862.66
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Solution
The fourth proportional to 76,723,701.40, 115,071,686.43 and 22,122,862.66 is: 33,180,295.90
Step by Step Solution
- Step 1: Write the proportion equation
76,723,701.40 : 115,071,686.43 = 22,122,862.66 : x - Step 2: Convert to fraction form
76,723,701.40/115,071,686.43 = 22,122,862.66/x - Step 3: Cross multiply
76,723,701.40x = 115,071,686.43 × 22,122,862.66 - Step 4: Simplify right side
76,723,701.40x = 2,545,715,114,945,476 - Step 5: Solve for x
x = 2,545,715,114,945,476/76,723,701.40 - Step 6: Final answer
x = 33,180,295.90
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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.