Finding the Fourth Proportional to 142,430,037.99, 213,615,163.07 and 40,170,160.77
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Solution
The fourth proportional to 142,430,037.99, 213,615,163.07 and 40,170,160.77 is: 60,246,810.04
Step by Step Solution
- Step 1: Write the proportion equation
142,430,037.99 : 213,615,163.07 = 40,170,160.77 : x - Step 2: Convert to fraction form
142,430,037.99/213,615,163.07 = 40,170,160.77/x - Step 3: Cross multiply
142,430,037.99x = 213,615,163.07 × 40,170,160.77 - Step 4: Simplify right side
142,430,037.99x = 8,580,955,443,230,817 - Step 5: Solve for x
x = 8,580,955,443,230,817/142,430,037.99 - Step 6: Final answer
x = 60,246,810.04
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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.