Finding the Fourth Proportional to 276,170,371.29, 381,124,016.55 and 157,089,888.06
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Solution
The fourth proportional to 276,170,371.29, 381,124,016.55 and 157,089,888.06 is: 216,789,110.35
Step by Step Solution
- Step 1: Write the proportion equation
276,170,371.29 : 381,124,016.55 = 157,089,888.06 : x - Step 2: Convert to fraction form
276,170,371.29/381,124,016.55 = 157,089,888.06/x - Step 3: Cross multiply
276,170,371.29x = 381,124,016.55 × 157,089,888.06 - Step 4: Simplify right side
276,170,371.29x = 59,870,729,096,817,088 - Step 5: Solve for x
x = 59,870,729,096,817,088/276,170,371.29 - Step 6: Final answer
x = 216,789,110.35
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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.