Finding the Fourth Proportional to 140,292,502.70, 210,438,754.05 and 63,764,998.70
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Solution
The fourth proportional to 140,292,502.70, 210,438,754.05 and 63,764,998.70 is: 95,647,498.05
Step by Step Solution
- Step 1: Write the proportion equation
140,292,502.70 : 210,438,754.05 = 63,764,998.70 : x - Step 2: Convert to fraction form
140,292,502.70/210,438,754.05 = 63,764,998.70/x - Step 3: Cross multiply
140,292,502.70x = 210,438,754.05 × 63,764,998.70 - Step 4: Simplify right side
140,292,502.70x = 13,418,626,878,427,872 - Step 5: Solve for x
x = 13,418,626,878,427,872/140,292,502.70 - Step 6: Final answer
x = 95,647,498.05
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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.