Finding the Fourth Proportional to 75,441,783.84, 113,163,466.32 and 60,391,387.68
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Solution
The fourth proportional to 75,441,783.84, 113,163,466.32 and 60,391,387.68 is: 90,587,714.37
Step by Step Solution
- Step 1: Write the proportion equation
75,441,783.84 : 113,163,466.32 = 60,391,387.68 : x - Step 2: Convert to fraction form
75,441,783.84/113,163,466.32 = 60,391,387.68/x - Step 3: Cross multiply
75,441,783.84x = 113,163,466.32 × 60,391,387.68 - Step 4: Simplify right side
75,441,783.84x = 6,834,098,765,743,742 - Step 5: Solve for x
x = 6,834,098,765,743,742/75,441,783.84 - Step 6: Final answer
x = 90,587,714.37
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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.