Finding the Fourth Proportional to 45,384,407.55, 67,722,639.21 and 40,493,089.79
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Solution
The fourth proportional to 45,384,407.55, 67,722,639.21 and 40,493,089.79 is: 60,423,812.02
Step by Step Solution
- Step 1: Write the proportion equation
45,384,407.55 : 67,722,639.21 = 40,493,089.79 : x - Step 2: Convert to fraction form
45,384,407.55/67,722,639.21 = 40,493,089.79/x - Step 3: Cross multiply
45,384,407.55x = 67,722,639.21 × 40,493,089.79 - Step 4: Simplify right side
45,384,407.55x = 2,742,298,910,642,591 - Step 5: Solve for x
x = 2,742,298,910,642,591/45,384,407.55 - Step 6: Final answer
x = 60,423,812.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.