Finding the Fourth Proportional to 178,048,367.84, 245,708,190.30 and 98,664,755.33
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Solution
The fourth proportional to 178,048,367.84, 245,708,190.30 and 98,664,755.33 is: 136,158,161.81
Step by Step Solution
- Step 1: Write the proportion equation
178,048,367.84 : 245,708,190.30 = 98,664,755.33 : x - Step 2: Convert to fraction form
178,048,367.84/245,708,190.30 = 98,664,755.33/x - Step 3: Cross multiply
178,048,367.84x = 245,708,190.30 × 98,664,755.33 - Step 4: Simplify right side
178,048,367.84x = 24,242,738,477,298,040 - Step 5: Solve for x
x = 24,242,738,477,298,040/178,048,367.84 - Step 6: Final answer
x = 136,158,161.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.