Finding the Fourth Proportional to 276,508,898.09, 381,593,871.83 and 159,034,261.13
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Solution
The fourth proportional to 276,508,898.09, 381,593,871.83 and 159,034,261.13 is: 219,473,947.77
Step by Step Solution
- Step 1: Write the proportion equation
276,508,898.09 : 381,593,871.83 = 159,034,261.13 : x - Step 2: Convert to fraction form
276,508,898.09/381,593,871.83 = 159,034,261.13/x - Step 3: Cross multiply
276,508,898.09x = 381,593,871.83 × 159,034,261.13 - Step 4: Simplify right side
276,508,898.09x = 60,686,499,457,424,792 - Step 5: Solve for x
x = 60,686,499,457,424,792/276,508,898.09 - Step 6: Final answer
x = 219,473,947.77
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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.