Finding the Fourth Proportional to 53,240,108.76, 73,471,349.97 and 28,793,822.76
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Solution
The fourth proportional to 53,240,108.76, 73,471,349.97 and 28,793,822.76 is: 39,735,475.34
Step by Step Solution
- Step 1: Write the proportion equation
53,240,108.76 : 73,471,349.97 = 28,793,822.76 : x - Step 2: Convert to fraction form
53,240,108.76/73,471,349.97 = 28,793,822.76/x - Step 3: Cross multiply
53,240,108.76x = 73,471,349.97 × 28,793,822.76 - Step 4: Simplify right side
53,240,108.76x = 2,115,521,028,974,111.50 - Step 5: Solve for x
x = 2,115,521,028,974,111.50/53,240,108.76 - Step 6: Final answer
x = 39,735,475.34
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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.