Finding the Fourth Proportional to 122,468,412.90, 183,702,619.35 and 113,115,051.30
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Solution
The fourth proportional to 122,468,412.90, 183,702,619.35 and 113,115,051.30 is: 169,672,576.95
Step by Step Solution
- Step 1: Write the proportion equation
122,468,412.90 : 183,702,619.35 = 113,115,051.30 : x - Step 2: Convert to fraction form
122,468,412.90/183,702,619.35 = 113,115,051.30/x - Step 3: Cross multiply
122,468,412.90x = 183,702,619.35 × 113,115,051.30 - Step 4: Simplify right side
122,468,412.90x = 20,779,531,211,719,620 - Step 5: Solve for x
x = 20,779,531,211,719,620/122,468,412.90 - Step 6: Final answer
x = 169,672,576.95
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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.