Finding the Fourth Proportional to 81,352,402.48, 112,267,792.02 and 44,182,675.36
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Solution
The fourth proportional to 81,352,402.48, 112,267,792.02 and 44,182,675.36 is: 60,972,893.94
Step by Step Solution
- Step 1: Write the proportion equation
81,352,402.48 : 112,267,792.02 = 44,182,675.36 : x - Step 2: Convert to fraction form
81,352,402.48/112,267,792.02 = 44,182,675.36/x - Step 3: Cross multiply
81,352,402.48x = 112,267,792.02 × 44,182,675.36 - Step 4: Simplify right side
81,352,402.48x = 4,960,291,408,203,658 - Step 5: Solve for x
x = 4,960,291,408,203,658/81,352,402.48 - Step 6: Final answer
x = 60,972,893.94
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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.