Finding the Fourth Proportional to 88,782,988.27, 133,171,480.74 and 31,273,756.55
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Solution
The fourth proportional to 88,782,988.27, 133,171,480.74 and 31,273,756.55 is: 46,909,577.49
Step by Step Solution
- Step 1: Write the proportion equation
88,782,988.27 : 133,171,480.74 = 31,273,756.55 : x - Step 2: Convert to fraction form
88,782,988.27/133,171,480.74 = 31,273,756.55/x - Step 3: Cross multiply
88,782,988.27x = 133,171,480.74 × 31,273,756.55 - Step 4: Simplify right side
88,782,988.27x = 4,164,772,467,909,405 - Step 5: Solve for x
x = 4,164,772,467,909,405/88,782,988.27 - Step 6: Final answer
x = 46,909,577.49
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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.