Finding the Fourth Proportional to 145,926,678.80, 201,375,709.80 and 79,846,911.44
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Solution
The fourth proportional to 145,926,678.80, 201,375,709.80 and 79,846,911.44 is: 110,187,037.76
Step by Step Solution
- Step 1: Write the proportion equation
145,926,678.80 : 201,375,709.80 = 79,846,911.44 : x - Step 2: Convert to fraction form
145,926,678.80/201,375,709.80 = 79,846,911.44/x - Step 3: Cross multiply
145,926,678.80x = 201,375,709.80 × 79,846,911.44 - Step 4: Simplify right side
145,926,678.80x = 16,079,228,466,567,740 - Step 5: Solve for x
x = 16,079,228,466,567,740/145,926,678.80 - Step 6: Final answer
x = 110,187,037.76
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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.