Finding the Fourth Proportional to 138,544,773.71, 207,465,413.00 and 83,178,170.46
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Solution
The fourth proportional to 138,544,773.71, 207,465,413.00 and 83,178,170.46 is: 124,556,076.89
Step by Step Solution
- Step 1: Write the proportion equation
138,544,773.71 : 207,465,413.00 = 83,178,170.46 : x - Step 2: Convert to fraction form
138,544,773.71/207,465,413.00 = 83,178,170.46/x - Step 3: Cross multiply
138,544,773.71x = 207,465,413.00 × 83,178,170.46 - Step 4: Simplify right side
138,544,773.71x = 17,256,593,486,652,408 - Step 5: Solve for x
x = 17,256,593,486,652,408/138,544,773.71 - Step 6: Final answer
x = 124,556,076.89
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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.