Finding the Fourth Proportional to 75,698,711.37, 104,464,314.87 and 40,891,402.29
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Solution
The fourth proportional to 75,698,711.37, 104,464,314.87 and 40,891,402.29 is: 56,430,185.49
Step by Step Solution
- Step 1: Write the proportion equation
75,698,711.37 : 104,464,314.87 = 40,891,402.29 : x - Step 2: Convert to fraction form
75,698,711.37/104,464,314.87 = 40,891,402.29/x - Step 3: Cross multiply
75,698,711.37x = 104,464,314.87 × 40,891,402.29 - Step 4: Simplify right side
75,698,711.37x = 4,271,692,324,298,399 - Step 5: Solve for x
x = 4,271,692,324,298,399/75,698,711.37 - Step 6: Final answer
x = 56,430,185.49
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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.