Finding the Fourth Proportional to 65,367,120.80, 97,838,104.80 and 50,911,925.60
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Solution
The fourth proportional to 65,367,120.80, 97,838,104.80 and 50,911,925.60 is: 76,202,320.85
Step by Step Solution
- Step 1: Write the proportion equation
65,367,120.80 : 97,838,104.80 = 50,911,925.60 : x - Step 2: Convert to fraction form
65,367,120.80/97,838,104.80 = 50,911,925.60/x - Step 3: Cross multiply
65,367,120.80x = 97,838,104.80 × 50,911,925.60 - Step 4: Simplify right side
65,367,120.80x = 4,981,126,312,422,603 - Step 5: Solve for x
x = 4,981,126,312,422,603/65,367,120.80 - Step 6: Final answer
x = 76,202,320.85
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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.