Finding the Fourth Proportional to 87,379,852.13, 120,583,948.76 and 48,221,348.88
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Solution
The fourth proportional to 87,379,852.13, 120,583,948.76 and 48,221,348.88 is: 66,545,325.05
Step by Step Solution
- Step 1: Write the proportion equation
87,379,852.13 : 120,583,948.76 = 48,221,348.88 : x - Step 2: Convert to fraction form
87,379,852.13/120,583,948.76 = 48,221,348.88/x - Step 3: Cross multiply
87,379,852.13x = 120,583,948.76 × 48,221,348.88 - Step 4: Simplify right side
87,379,852.13x = 5,814,720,662,242,897 - Step 5: Solve for x
x = 5,814,720,662,242,897/87,379,852.13 - Step 6: Final answer
x = 66,545,325.05
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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.