Finding the Fourth Proportional to 276,521,316.19, 414,492,241.41 and 128,847,126.44
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Solution
The fourth proportional to 276,521,316.19, 414,492,241.41 and 128,847,126.44 is: 193,135,686.51
Step by Step Solution
- Step 1: Write the proportion equation
276,521,316.19 : 414,492,241.41 = 128,847,126.44 : x - Step 2: Convert to fraction form
276,521,316.19/414,492,241.41 = 128,847,126.44/x - Step 3: Cross multiply
276,521,316.19x = 414,492,241.41 × 128,847,126.44 - Step 4: Simplify right side
276,521,316.19x = 53,406,134,237,353,280 - Step 5: Solve for x
x = 53,406,134,237,353,280/276,521,316.19 - Step 6: Final answer
x = 193,135,686.51
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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.