Finding the Fourth Proportional to 102,360,464.10, 153,540,696.15 and 63,618,415.20
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Solution
The fourth proportional to 102,360,464.10, 153,540,696.15 and 63,618,415.20 is: 95,427,622.80
Step by Step Solution
- Step 1: Write the proportion equation
102,360,464.10 : 153,540,696.15 = 63,618,415.20 : x - Step 2: Convert to fraction form
102,360,464.10/153,540,696.15 = 63,618,415.20/x - Step 3: Cross multiply
102,360,464.10x = 153,540,696.15 × 63,618,415.20 - Step 4: Simplify right side
102,360,464.10x = 9,768,015,757,767,742 - Step 5: Solve for x
x = 9,768,015,757,767,742/102,360,464.10 - Step 6: Final answer
x = 95,427,622.80
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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.