Finding the Fourth Proportional to 61,890,857.68, 85,411,431.35 and 34,014,555.99
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Solution
The fourth proportional to 61,890,857.68, 85,411,431.35 and 34,014,555.99 is: 46,941,212.69
Step by Step Solution
- Step 1: Write the proportion equation
61,890,857.68 : 85,411,431.35 = 34,014,555.99 : x - Step 2: Convert to fraction form
61,890,857.68/85,411,431.35 = 34,014,555.99/x - Step 3: Cross multiply
61,890,857.68x = 85,411,431.35 × 34,014,555.99 - Step 4: Simplify right side
61,890,857.68x = 2,905,231,913,840,616.50 - Step 5: Solve for x
x = 2,905,231,913,840,616.50/61,890,857.68 - Step 6: Final answer
x = 46,941,212.69
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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.