Finding the Fourth Proportional to 53,239,365.99, 73,470,374.19 and 28,793,079.99
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Solution
The fourth proportional to 53,239,365.99, 73,470,374.19 and 28,793,079.99 is: 39,734,476.95
Step by Step Solution
- Step 1: Write the proportion equation
53,239,365.99 : 73,470,374.19 = 28,793,079.99 : x - Step 2: Convert to fraction form
53,239,365.99/73,470,374.19 = 28,793,079.99/x - Step 3: Cross multiply
53,239,365.99x = 73,470,374.19 × 28,793,079.99 - Step 4: Simplify right side
53,239,365.99x = 2,115,438,360,947,901.25 - Step 5: Solve for x
x = 2,115,438,360,947,901.25/53,239,365.99 - Step 6: Final answer
x = 39,734,476.95
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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.