Finding the Fourth Proportional to 79,997,152.06, 110,395,555.59 and 45,201,107.26
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Solution
The fourth proportional to 79,997,152.06, 110,395,555.59 and 45,201,107.26 is: 62,377,237.45
Step by Step Solution
- Step 1: Write the proportion equation
79,997,152.06 : 110,395,555.59 = 45,201,107.26 : x - Step 2: Convert to fraction form
79,997,152.06/110,395,555.59 = 45,201,107.26/x - Step 3: Cross multiply
79,997,152.06x = 110,395,555.59 × 45,201,107.26 - Step 4: Simplify right side
79,997,152.06x = 4,990,001,349,250,883 - Step 5: Solve for x
x = 4,990,001,349,250,883/79,997,152.06 - Step 6: Final answer
x = 62,377,237.45
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1.5x scale
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.