Finding the Fourth Proportional to 119,925,756.08, 165,497,598.74 and 64,921,612.56
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Solution
The fourth proportional to 119,925,756.08, 165,497,598.74 and 64,921,612.56 is: 89,591,855.30
Step by Step Solution
- Step 1: Write the proportion equation
119,925,756.08 : 165,497,598.74 = 64,921,612.56 : x - Step 2: Convert to fraction form
119,925,756.08/165,497,598.74 = 64,921,612.56/x - Step 3: Cross multiply
119,925,756.08x = 165,497,598.74 × 64,921,612.56 - Step 4: Simplify right side
119,925,756.08x = 10,744,370,985,008,626 - Step 5: Solve for x
x = 10,744,370,985,008,626/119,925,756.08 - Step 6: Final answer
x = 89,591,855.30
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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.