Finding the Fourth Proportional to 276,680,614.36, 381,818,924.28 and 151,233,634.17
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Solution
The fourth proportional to 276,680,614.36, 381,818,924.28 and 151,233,634.17 is: 208,702,238.31
Step by Step Solution
- Step 1: Write the proportion equation
276,680,614.36 : 381,818,924.28 = 151,233,634.17 : x - Step 2: Convert to fraction form
276,680,614.36/381,818,924.28 = 151,233,634.17/x - Step 3: Cross multiply
276,680,614.36x = 381,818,924.28 × 151,233,634.17 - Step 4: Simplify right side
276,680,614.36x = 57,743,863,513,744,440 - Step 5: Solve for x
x = 57,743,863,513,744,440/276,680,614.36 - Step 6: Final answer
x = 208,702,238.31
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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.