Finding the Fourth Proportional to 113,919,168.44, 157,209,207.12 and 61,708,203.59
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Solution
The fourth proportional to 113,919,168.44, 157,209,207.12 and 61,708,203.59 is: 85,157,729.75
Step by Step Solution
- Step 1: Write the proportion equation
113,919,168.44 : 157,209,207.12 = 61,708,203.59 : x - Step 2: Convert to fraction form
113,919,168.44/157,209,207.12 = 61,708,203.59/x - Step 3: Cross multiply
113,919,168.44x = 157,209,207.12 × 61,708,203.59 - Step 4: Simplify right side
113,919,168.44x = 9,701,097,758,397,392 - Step 5: Solve for x
x = 9,701,097,758,397,392/113,919,168.44 - Step 6: Final answer
x = 85,157,729.75
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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.