Finding the Fourth Proportional to 104,849,521.74, 157,274,199.99 and 28,172,550.06
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Solution
The fourth proportional to 104,849,521.74, 157,274,199.99 and 28,172,550.06 is: 42,258,802.89
Step by Step Solution
- Step 1: Write the proportion equation
104,849,521.74 : 157,274,199.99 = 28,172,550.06 : x - Step 2: Convert to fraction form
104,849,521.74/157,274,199.99 = 28,172,550.06/x - Step 3: Cross multiply
104,849,521.74x = 157,274,199.99 × 28,172,550.06 - Step 4: Simplify right side
104,849,521.74x = 4,430,815,272,364,726.50 - Step 5: Solve for x
x = 4,430,815,272,364,726.50/104,849,521.74 - Step 6: Final answer
x = 42,258,802.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.