Finding the Fourth Proportional to 70,965,210.80, 97,931,420.48 and 41,198,620.88
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Solution
The fourth proportional to 70,965,210.80, 97,931,420.48 and 41,198,620.88 is: 56,853,765.66
Step by Step Solution
- Step 1: Write the proportion equation
70,965,210.80 : 97,931,420.48 = 41,198,620.88 : x - Step 2: Convert to fraction form
70,965,210.80/97,931,420.48 = 41,198,620.88/x - Step 3: Cross multiply
70,965,210.80x = 97,931,420.48 × 41,198,620.88 - Step 4: Simplify right side
70,965,210.80x = 4,034,639,464,595,388 - Step 5: Solve for x
x = 4,034,639,464,595,388/70,965,210.80 - Step 6: Final answer
x = 56,853,765.66
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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.