Finding the Fourth Proportional to 73,103,340.80, 109,655,011.20 and 58,754,433.80
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Solution
The fourth proportional to 73,103,340.80, 109,655,011.20 and 58,754,433.80 is: 88,131,650.70
Step by Step Solution
- Step 1: Write the proportion equation
73,103,340.80 : 109,655,011.20 = 58,754,433.80 : x - Step 2: Convert to fraction form
73,103,340.80/109,655,011.20 = 58,754,433.80/x - Step 3: Cross multiply
73,103,340.80x = 109,655,011.20 × 58,754,433.80 - Step 4: Simplify right side
73,103,340.80x = 6,442,718,096,388,658 - Step 5: Solve for x
x = 6,442,718,096,388,658/73,103,340.80 - Step 6: Final answer
x = 88,131,650.70
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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.