Finding the Fourth Proportional to 65,302,509.20, 97,953,763.80 and 19,864,230.80
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Solution
The fourth proportional to 65,302,509.20, 97,953,763.80 and 19,864,230.80 is: 29,796,346.20
Step by Step Solution
- Step 1: Write the proportion equation
65,302,509.20 : 97,953,763.80 = 19,864,230.80 : x - Step 2: Convert to fraction form
65,302,509.20/97,953,763.80 = 19,864,230.80/x - Step 3: Cross multiply
65,302,509.20x = 97,953,763.80 × 19,864,230.80 - Step 4: Simplify right side
65,302,509.20x = 1,945,776,171,851,885 - Step 5: Solve for x
x = 1,945,776,171,851,885/65,302,509.20 - Step 6: Final answer
x = 29,796,346.20
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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.