Finding the Fourth Proportional to 97,777,209.70, 146,665,814.55 and 63,764,985.70
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Solution
The fourth proportional to 97,777,209.70, 146,665,814.55 and 63,764,985.70 is: 95,647,478.55
Step by Step Solution
- Step 1: Write the proportion equation
97,777,209.70 : 146,665,814.55 = 63,764,985.70 : x - Step 2: Convert to fraction form
97,777,209.70/146,665,814.55 = 63,764,985.70/x - Step 3: Cross multiply
97,777,209.70x = 146,665,814.55 × 63,764,985.70 - Step 4: Simplify right side
97,777,209.70x = 9,352,143,567,459,604 - Step 5: Solve for x
x = 9,352,143,567,459,604/97,777,209.70 - Step 6: Final answer
x = 95,647,478.55
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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.