Finding the Fourth Proportional to 142,430,043.74, 213,615,171.68 and 40,170,166.52
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Solution
The fourth proportional to 142,430,043.74, 213,615,171.68 and 40,170,166.52 is: 60,246,818.66
Step by Step Solution
- Step 1: Write the proportion equation
142,430,043.74 : 213,615,171.68 = 40,170,166.52 : x - Step 2: Convert to fraction form
142,430,043.74/213,615,171.68 = 40,170,166.52/x - Step 3: Cross multiply
142,430,043.74x = 213,615,171.68 × 40,170,166.52 - Step 4: Simplify right side
142,430,043.74x = 8,580,957,017,583,989 - Step 5: Solve for x
x = 8,580,957,017,583,989/142,430,043.74 - Step 6: Final answer
x = 60,246,818.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.