Finding the Fourth Proportional to 99,375,396.80, 148,974,448.80 and 38,777,028.80
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Solution
The fourth proportional to 99,375,396.80, 148,974,448.80 and 38,777,028.80 is: 58,130,952.71
Step by Step Solution
- Step 1: Write the proportion equation
99,375,396.80 : 148,974,448.80 = 38,777,028.80 : x - Step 2: Convert to fraction form
99,375,396.80/148,974,448.80 = 38,777,028.80/x - Step 3: Cross multiply
99,375,396.80x = 148,974,448.80 × 38,777,028.80 - Step 4: Simplify right side
99,375,396.80x = 5,776,786,491,581,725 - Step 5: Solve for x
x = 5,776,786,491,581,725/99,375,396.80 - Step 6: Final answer
x = 58,130,952.71
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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.