Finding the Fourth Proportional to 129,395,615.11, 194,028,518.98 and 43,103,684.23
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Solution
The fourth proportional to 129,395,615.11, 194,028,518.98 and 43,103,684.23 is: 64,633,905.92
Step by Step Solution
- Step 1: Write the proportion equation
129,395,615.11 : 194,028,518.98 = 43,103,684.23 : x - Step 2: Convert to fraction form
129,395,615.11/194,028,518.98 = 43,103,684.23/x - Step 3: Cross multiply
129,395,615.11x = 194,028,518.98 × 43,103,684.23 - Step 4: Simplify right side
129,395,615.11x = 8,363,344,013,728,481 - Step 5: Solve for x
x = 8,363,344,013,728,481/129,395,615.11 - Step 6: Final answer
x = 64,633,905.92
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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.