Finding the Fourth Proportional to 198,709,567.65, 274,219,215.66 and 110,601,675.09
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Solution
The fourth proportional to 198,709,567.65, 274,219,215.66 and 110,601,675.09 is: 152,630,318.47
Step by Step Solution
- Step 1: Write the proportion equation
198,709,567.65 : 274,219,215.66 = 110,601,675.09 : x - Step 2: Convert to fraction form
198,709,567.65/274,219,215.66 = 110,601,675.09/x - Step 3: Cross multiply
198,709,567.65x = 274,219,215.66 × 110,601,675.09 - Step 4: Simplify right side
198,709,567.65x = 30,329,104,593,861,964 - Step 5: Solve for x
x = 30,329,104,593,861,964/198,709,567.65 - Step 6: Final answer
x = 152,630,318.47
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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.