Finding the Fourth Proportional to 140,211,374.93, 193,481,564.66 and 77,486,722.30
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Solution
The fourth proportional to 140,211,374.93, 193,481,564.66 and 77,486,722.30 is: 106,926,076.99
Step by Step Solution
- Step 1: Write the proportion equation
140,211,374.93 : 193,481,564.66 = 77,486,722.30 : x - Step 2: Convert to fraction form
140,211,374.93/193,481,564.66 = 77,486,722.30/x - Step 3: Cross multiply
140,211,374.93x = 193,481,564.66 × 77,486,722.30 - Step 4: Simplify right side
140,211,374.93x = 14,992,252,271,123,906 - Step 5: Solve for x
x = 14,992,252,271,123,906/140,211,374.93 - Step 6: Final answer
x = 106,926,076.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.