Finding the Fourth Proportional to 79,915,798.32, 110,283,800.58 and 43,246,369.32
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Solution
The fourth proportional to 79,915,798.32, 110,283,800.58 and 43,246,369.32 is: 59,679,989.07
Step by Step Solution
- Step 1: Write the proportion equation
79,915,798.32 : 110,283,800.58 = 43,246,369.32 : x - Step 2: Convert to fraction form
79,915,798.32/110,283,800.58 = 43,246,369.32/x - Step 3: Cross multiply
79,915,798.32x = 110,283,800.58 × 43,246,369.32 - Step 4: Simplify right side
79,915,798.32x = 4,769,373,969,895,910 - Step 5: Solve for x
x = 4,769,373,969,895,910/79,915,798.32 - Step 6: Final answer
x = 59,679,989.07
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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.