Finding the Fourth Proportional to 276,521,314.19, 414,492,238.41 and 128,847,124.44
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Solution
The fourth proportional to 276,521,314.19, 414,492,238.41 and 128,847,124.44 is: 193,135,683.52
Step by Step Solution
- Step 1: Write the proportion equation
276,521,314.19 : 414,492,238.41 = 128,847,124.44 : x - Step 2: Convert to fraction form
276,521,314.19/414,492,238.41 = 128,847,124.44/x - Step 3: Cross multiply
276,521,314.19x = 414,492,238.41 × 128,847,124.44 - Step 4: Simplify right side
276,521,314.19x = 53,406,133,021,827,424 - Step 5: Solve for x
x = 53,406,133,021,827,424/276,521,314.19 - Step 6: Final answer
x = 193,135,683.52
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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.