Finding the Fourth Proportional to 190,915,504.99, 263,454,901.95 and 111,537,927.20
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Solution
The fourth proportional to 190,915,504.99, 263,454,901.95 and 111,537,927.20 is: 153,917,376.56
Step by Step Solution
- Step 1: Write the proportion equation
190,915,504.99 : 263,454,901.95 = 111,537,927.20 : x - Step 2: Convert to fraction form
190,915,504.99/263,454,901.95 = 111,537,927.20/x - Step 3: Cross multiply
190,915,504.99x = 263,454,901.95 × 111,537,927.20 - Step 4: Simplify right side
190,915,504.99x = 29,385,213,673,778,528 - Step 5: Solve for x
x = 29,385,213,673,778,528/190,915,504.99 - Step 6: Final answer
x = 153,917,376.56
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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.