Finding the Fourth Proportional to 50,298,455.31, 69,401,692.64 and 29,386,449.19
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Solution
The fourth proportional to 50,298,455.31, 69,401,692.64 and 29,386,449.19 is: 40,547,354.82
Step by Step Solution
- Step 1: Write the proportion equation
50,298,455.31 : 69,401,692.64 = 29,386,449.19 : x - Step 2: Convert to fraction form
50,298,455.31/69,401,692.64 = 29,386,449.19/x - Step 3: Cross multiply
50,298,455.31x = 69,401,692.64 × 29,386,449.19 - Step 4: Simplify right side
50,298,455.31x = 2,039,469,314,515,376 - Step 5: Solve for x
x = 2,039,469,314,515,376/50,298,455.31 - Step 6: Final answer
x = 40,547,354.82
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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.