Finding the Fourth Proportional to 51,535,321.13, 71,118,242.09 and 38,363,402.18
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Solution
The fourth proportional to 51,535,321.13, 71,118,242.09 and 38,363,402.18 is: 52,941,122.01
Step by Step Solution
- Step 1: Write the proportion equation
51,535,321.13 : 71,118,242.09 = 38,363,402.18 : x - Step 2: Convert to fraction form
51,535,321.13/71,118,242.09 = 38,363,402.18/x - Step 3: Cross multiply
51,535,321.13x = 71,118,242.09 × 38,363,402.18 - Step 4: Simplify right side
51,535,321.13x = 2,728,337,723,763,115 - Step 5: Solve for x
x = 2,728,337,723,763,115/51,535,321.13 - Step 6: Final answer
x = 52,941,122.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.