Finding the Fourth Proportional to 133,389,840.76, 184,097,312.76 and 76,863,589.45
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Solution
The fourth proportional to 133,389,840.76, 184,097,312.76 and 76,863,589.45 is: 106,082,893.47
Step by Step Solution
- Step 1: Write the proportion equation
133,389,840.76 : 184,097,312.76 = 76,863,589.45 : x - Step 2: Convert to fraction form
133,389,840.76/184,097,312.76 = 76,863,589.45/x - Step 3: Cross multiply
133,389,840.76x = 184,097,312.76 × 76,863,589.45 - Step 4: Simplify right side
133,389,840.76x = 14,150,380,266,832,886 - Step 5: Solve for x
x = 14,150,380,266,832,886/133,389,840.76 - Step 6: Final answer
x = 106,082,893.47
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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.