Finding the Fourth Proportional to 61,056,029.80, 91,584,044.70 and 57,276,893.80
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Solution
The fourth proportional to 61,056,029.80, 91,584,044.70 and 57,276,893.80 is: 85,915,340.70
Step by Step Solution
- Step 1: Write the proportion equation
61,056,029.80 : 91,584,044.70 = 57,276,893.80 : x - Step 2: Convert to fraction form
61,056,029.80/91,584,044.70 = 57,276,893.80/x - Step 3: Cross multiply
61,056,029.80x = 91,584,044.70 × 57,276,893.80 - Step 4: Simplify right side
61,056,029.80x = 5,245,649,602,056,353 - Step 5: Solve for x
x = 5,245,649,602,056,353/61,056,029.80 - Step 6: Final answer
x = 85,915,340.70
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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.