Finding the Fourth Proportional to 276,270,978.14, 381,251,611.49 and 152,508,998.06
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Solution
The fourth proportional to 276,270,978.14, 381,251,611.49 and 152,508,998.06 is: 210,461,126.50
Step by Step Solution
- Step 1: Write the proportion equation
276,270,978.14 : 381,251,611.49 = 152,508,998.06 : x - Step 2: Convert to fraction form
276,270,978.14/381,251,611.49 = 152,508,998.06/x - Step 3: Cross multiply
276,270,978.14x = 381,251,611.49 × 152,508,998.06 - Step 4: Simplify right side
276,270,978.14x = 58,144,301,278,434,688 - Step 5: Solve for x
x = 58,144,301,278,434,688/276,270,978.14 - Step 6: Final answer
x = 210,461,126.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.