Finding the Fourth Proportional to 53,034,790.70, 79,564,155.21 and 16,149,980.25
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Solution
The fourth proportional to 53,034,790.70, 79,564,155.21 and 16,149,980.25 is: 24,228,615.18
Step by Step Solution
- Step 1: Write the proportion equation
53,034,790.70 : 79,564,155.21 = 16,149,980.25 : x - Step 2: Convert to fraction form
53,034,790.70/79,564,155.21 = 16,149,980.25/x - Step 3: Cross multiply
53,034,790.70x = 79,564,155.21 × 16,149,980.25 - Step 4: Simplify right side
53,034,790.70x = 1,284,959,535,249,434.50 - Step 5: Solve for x
x = 1,284,959,535,249,434.50/53,034,790.70 - Step 6: Final answer
x = 24,228,615.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.