Finding the Fourth Proportional to 119,848,340.96, 165,343,652.70 and 69,604,006.52
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Solution
The fourth proportional to 119,848,340.96, 165,343,652.70 and 69,604,006.52 is: 96,026,199.35
Step by Step Solution
- Step 1: Write the proportion equation
119,848,340.96 : 165,343,652.70 = 69,604,006.52 : x - Step 2: Convert to fraction form
119,848,340.96/165,343,652.70 = 69,604,006.52/x - Step 3: Cross multiply
119,848,340.96x = 165,343,652.70 × 69,604,006.52 - Step 4: Simplify right side
119,848,340.96x = 11,508,580,680,571,414 - Step 5: Solve for x
x = 11,508,580,680,571,414/119,848,340.96 - Step 6: Final answer
x = 96,026,199.35
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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.