Finding the Fourth Proportional to 220,664,256.99, 304,516,673.49 and 127,898,573.24
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Solution
The fourth proportional to 220,664,256.99, 304,516,673.49 and 127,898,573.24 is: 176,500,030.39
Step by Step Solution
- Step 1: Write the proportion equation
220,664,256.99 : 304,516,673.49 = 127,898,573.24 : x - Step 2: Convert to fraction form
220,664,256.99/304,516,673.49 = 127,898,573.24/x - Step 3: Cross multiply
220,664,256.99x = 304,516,673.49 × 127,898,573.24 - Step 4: Simplify right side
220,664,256.99x = 38,947,248,065,639,352 - Step 5: Solve for x
x = 38,947,248,065,639,352/220,664,256.99 - Step 6: Final answer
x = 176,500,030.39
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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.