Finding the Fourth Proportional to 62,230,156.70, 93,345,235.05 and 53,720,102.30
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Solution
The fourth proportional to 62,230,156.70, 93,345,235.05 and 53,720,102.30 is: 80,580,153.45
Step by Step Solution
- Step 1: Write the proportion equation
62,230,156.70 : 93,345,235.05 = 53,720,102.30 : x - Step 2: Convert to fraction form
62,230,156.70/93,345,235.05 = 53,720,102.30/x - Step 3: Cross multiply
62,230,156.70x = 93,345,235.05 × 53,720,102.30 - Step 4: Simplify right side
62,230,156.70x = 5,014,515,576,103,545 - Step 5: Solve for x
x = 5,014,515,576,103,545/62,230,156.70 - Step 6: Final answer
x = 80,580,153.45
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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.