Finding the Fourth Proportional to 43,138,887.84, 59,533,134.24 and 25,512,899.76
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Solution
The fourth proportional to 43,138,887.84, 59,533,134.24 and 25,512,899.76 is: 35,208,670.47
Step by Step Solution
- Step 1: Write the proportion equation
43,138,887.84 : 59,533,134.24 = 25,512,899.76 : x - Step 2: Convert to fraction form
43,138,887.84/59,533,134.24 = 25,512,899.76/x - Step 3: Cross multiply
43,138,887.84x = 59,533,134.24 × 25,512,899.76 - Step 4: Simplify right side
43,138,887.84x = 1,518,862,886,263,744 - Step 5: Solve for x
x = 1,518,862,886,263,744/43,138,887.84 - Step 6: Final answer
x = 35,208,670.47
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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.