Finding the Fourth Proportional to 56,264,722.80, 84,173,135.40 and 48,774,879.60
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Solution
The fourth proportional to 56,264,722.80, 84,173,135.40 and 48,774,879.60 is: 72,968,182.20
Step by Step Solution
- Step 1: Write the proportion equation
56,264,722.80 : 84,173,135.40 = 48,774,879.60 : x - Step 2: Convert to fraction form
56,264,722.80/84,173,135.40 = 48,774,879.60/x - Step 3: Cross multiply
56,264,722.80x = 84,173,135.40 × 48,774,879.60 - Step 4: Simplify right side
56,264,722.80x = 4,105,534,544,689,498.50 - Step 5: Solve for x
x = 4,105,534,544,689,498.50/56,264,722.80 - Step 6: Final answer
x = 72,968,182.20
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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.