Finding the Fourth Proportional to 104,976,220.90, 157,464,331.35 and 74,365,219.30
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Solution
The fourth proportional to 104,976,220.90, 157,464,331.35 and 74,365,219.30 is: 111,547,828.95
Step by Step Solution
- Step 1: Write the proportion equation
104,976,220.90 : 157,464,331.35 = 74,365,219.30 : x - Step 2: Convert to fraction form
104,976,220.90/157,464,331.35 = 74,365,219.30/x - Step 3: Cross multiply
104,976,220.90x = 157,464,331.35 × 74,365,219.30 - Step 4: Simplify right side
104,976,220.90x = 11,709,869,532,770,614 - Step 5: Solve for x
x = 11,709,869,532,770,614/104,976,220.90 - Step 6: Final answer
x = 111,547,828.95
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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.